Propane Water Heaters
Certified water heaters that run on propane (LP gas) — storage and tankless models for homes without a natural-gas connection.
328 certified models in this category.
| Model | Uniform Energy Factor (UEF) | Fuel | First-hour rating | Max flow rate | Rated storage volume | Smart / connected capable |
|---|---|---|---|---|---|---|
| A. O. Smith ACTH-199M-(N,P) 1 | 0.95 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| A. O. Smith ATHR-160M 1 | 0.95 | Natural Gas, Propane | — | 4.8 GPM | — | No |
| A. O. Smith ATHR-160M 1 (ATHR-160X3 1) | 0.95 | Natural Gas, Propane | — | 4.8 GPM | — | No |
| A. O. Smith ATHR-160M 1 (GT15THR-160M 1) | 0.95 | Natural Gas, Propane | — | 4.8 GPM | — | No |
| A. O. Smith ATHR-160M 1 (GT15THR-160X3 1) | 0.95 | Natural Gas, Propane | — | 4.8 GPM | — | No |
| A. O. Smith ATHR-180M 1 | 0.95 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| A. O. Smith ATHR-180M 1 (ATHR-180X3 1) | 0.95 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| A. O. Smith ATHR-180M 1 (GT15THR-180M 1) | 0.95 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| A. O. Smith ATHR-180M 1 (GT15THR-180X3 1) | 0.95 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| A. O. Smith ATHR-199M 1 | 0.95 | Natural Gas, Propane | — | 5.9 GPM | — | No |
| A. O. Smith ATHR-199M 1 (ATHR-199X3 1) | 0.95 | Natural Gas, Propane | — | 5.9 GPM | — | No |
| A. O. Smith ATHR-199M 1 (GT15THR-199M 1) | 0.95 | Natural Gas, Propane | — | 5.9 GPM | — | No |
| A. O. Smith ATHR-199M 1 (GT15THR-199X3 1) | 0.95 | Natural Gas, Propane | — | 5.9 GPM | — | No |
| A. O. Smith ATM-160M-P 1-1 | 0.95 | Propane | — | 4.8 GPM | — | No |
| A. O. Smith ATM-160X3-P 1-1 | 0.95 | Propane | — | 4.8 GPM | — | No |
| A. O. Smith ATM-180M-P 1-1 | 0.95 | Propane | — | 5.4 GPM | — | No |
| A. O. Smith ATM-180X3-P 1-1 | 0.95 | Propane | — | 5.4 GPM | — | No |
| A. O. Smith ATM-199M-P 1-1 | 0.95 | Propane | — | 6 GPM | — | No |
| A. O. Smith ATM-199X3-P 1-1 | 0.95 | Propane | — | 6 GPM | — | No |
| A. O. Smith GDHE-50 3 50-Gallon | 0.88 | Natural Gas, Propane | 100 gal | — | 49 gal | No |
| A. O. Smith GDHE-75 3 80-Gallon | 0.86 | Natural Gas, Propane | 130 gal | — | 74 gal | No |
| A. O. Smith GPCC-40L 1 40-Gallon | 0.9 | Natural Gas, Propane | 86 gal | — | 38 gal | No |
| A. O. Smith GPCT-40L 1 40-Gallon | 0.9 | Natural Gas, Propane | 86 gal | — | 38 gal | No |
| A. O. Smith GPCT-40L 1 40-Gallon (HPCT-40L 1) | 0.9 | Natural Gas, Propane | 86 gal | — | 38 gal | No |
| A. O. Smith GPCX-50L 1 50-Gallon | 0.9 | Natural Gas, Propane | 118 gal | — | 49 gal | No |
| A. O. Smith GPCX-50L 1 50-Gallon (HPCX-50L 1) | 0.9 | Natural Gas, Propane | 118 gal | — | 49 gal | No |
| A. O. Smith GT15TM-160M-P 1-1 | 0.95 | Propane | — | 4.8 GPM | — | No |
| A. O. Smith GT15TM-160X3-P 1-1 | 0.95 | Propane | — | 4.8 GPM | — | No |
| A. O. Smith GT15TM-180M-P 1-1 | 0.95 | Propane | — | 5.4 GPM | — | No |
| A. O. Smith GT15TM-199M-P 1-1 | 0.95 | Propane | — | 6 GPM | — | No |
| A. O. Smith GT15TM-199X3-P 1-1 | 0.95 | Propane | — | 6 GPM | — | No |
| A. O. Smith HDHE-50 4 50-Gallon | 0.88 | Natural Gas, Propane | 118 gal | — | 49 gal | No |
| A. O. Smith HDHE-75 4 80-Gallon | 0.86 | Natural Gas, Propane | 150 gal | — | 74 gal | No |
| A. O. Smith SWN100035 2 30-Gallon | 0.9 | Natural Gas, Propane | 170 gal | — | 33 gal | No |
| A. O. Smith T-H3-OS-N 1 (ACT-199O-P 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| A. O. Smith T-H3-OS-N 1 (ATO-540H 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| A. O. Smith T-H3-OS-N 1 (ATO-540HX3-P 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| A. O. Smith T-H3-OS-N 1 (ATO-540P-P 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| A. O. Smith T-H3J-OS-N (ATO-240H 1-1) | 0.95 | Propane | — | 4.7 GPM | — | No |
| A. O. Smith T-H3J-OS-N (ATO-240HX3-P 1-1) | 0.95 | Propane | — | 4.7 GPM | — | No |
| A. O. Smith T-H3J-OS-N (GT15-240-PO 1-1) | 0.95 | Propane | — | 4.7 GPM | — | No |
| A. O. Smith T-H3S-DV-N (ATI-340H 1-1) | 0.95 | Propane | — | 5.4 GPM | — | No |
| A. O. Smith T-H3S-DV-N (ATI-340HX3-P 1-1) | 0.95 | Propane | — | 5.4 GPM | — | No |
| A. O. Smith T-H3S-DV-N (GT15-340-PI 1-1) | 0.95 | Propane | — | 5.4 GPM | — | No |
| American ATHR-160M 1 (MTHR-160M 1) | 0.95 | Natural Gas, Propane | — | 4.8 GPM | — | No |
| American ATHR-160M 1 (MTHR-160X3 1) | 0.95 | Natural Gas, Propane | — | 4.8 GPM | — | No |
| American ATHR-180M 1 (MTHR-180M 1) | 0.95 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| American ATHR-180M 1 (MTHR-180X3 1) | 0.95 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| American ATHR-199M 1 (MTHR-199M 1) | 0.95 | Natural Gas, Propane | — | 5.9 GPM | — | No |
| American ATHR-199M 1 (MTHR-199X3 1) | 0.95 | Natural Gas, Propane | — | 5.9 GPM | — | No |
| American GPCT-40L 1 40-Gallon | 0.9 | Natural Gas, Propane | 86 gal | — | 38 gal | No |
| American GPCX-50L 1 50-Gallon | 0.9 | Natural Gas, Propane | 118 gal | — | 49 gal | No |
| American GSP-100 2 30-Gallon | 0.9 | Natural Gas, Propane | 170 gal | — | 33 gal | No |
| American MCTH-199M-(N,P) 1 | 0.95 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| American MTM-160M-P 1-1 | 0.95 | Propane | — | 4.8 GPM | — | No |
| American MTM-160X3-P 1-1 | 0.95 | Propane | — | 4.8 GPM | — | No |
| American MTM-180M-P 1-1 | 0.95 | Propane | — | 5.4 GPM | — | No |
| American MTM-180X3-P 1-1 | 0.95 | Propane | — | 5.4 GPM | — | No |
| American MTM-199M-P 1-1 | 0.95 | Propane | — | 6 GPM | — | No |
| American MTM-199X3-P 1-1 | 0.95 | Propane | — | 6 GPM | — | No |
| American PG10 34 100 2-V 2 30-Gallon | 0.9 | Natural Gas, Propane | 170 gal | — | 33 gal | No |
| American T-H3-OS-N 1 (GT-540-PEH 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| American T-H3-OS-N 1 (GT-540P-PEH 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| American T-H3-OS-N 1 (GT-540X3-PEH 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| American T-H3-OS-N 1 (MCT-199O-P 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| American T-H3J-OS-N (GT-240-PEH 1-1) | 0.95 | Propane | — | 4.7 GPM | — | No |
| American T-H3J-OS-N (GT-240X3-PEH 1-1) | 0.95 | Propane | — | 4.7 GPM | — | No |
| American T-H3S-DV-N (GT-340-PIH 1-1) | 0.95 | Propane | — | 5.4 GPM | — | No |
| American T-H3S-DV-N (GT-340X3-PIH 1-1) | 0.95 | Propane | — | 5.4 GPM | — | No |
| American VG6250T100-V 3 50-Gallon | 0.88 | Natural Gas, Propane | 100 gal | — | 49 gal | No |
| American VG6275T100-V 3 80-Gallon | 0.86 | Natural Gas, Propane | 130 gal | — | 74 gal | No |
| American VG8250T100-V 50-Gallon | 0.88 | Natural Gas, Propane | 118 gal | — | 49 gal | No |
| American VG8275T100-V 80-Gallon | 0.86 | Natural Gas, Propane | 150 gal | — | 74 gal | No |
| Bosch Greentherm (T9800 SE 160) | 0.95 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Bosch Greentherm (T9800 SE 199) | 0.95 | Natural Gas, Propane | — | 5.4 GPM | — | No |
| Bosch Greentherm (T9800 SEO 160) | 0.95 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Bosch Greentherm (T9800 SEO 199) | 0.95 | Natural Gas, Propane | — | 5.4 GPM | — | No |
| Bosch Greentherm (T9900 SE 160) | 0.95 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Bosch Greentherm (T9900 SE 199) | 0.95 | Natural Gas, Propane | — | 5.4 GPM | — | No |
| Bradford White RTG-K-160N2 | 0.95 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Bradford White RTG-K-160N2 (RTG-K-160N1) | 0.95 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Bradford White RTG-K-199N1 | 0.95 | Natural Gas, Propane | — | 5.4 GPM | — | No |
| Bradford White RTG-K-199N2 | 0.95 | Natural Gas, Propane | — | 5.4 GPM | — | No |
| Bradford White RTGL 199N1 | 0.95 | Natural Gas, Propane | — | 5.4 GPM | — | No |
| Bradford White RTGR150X1 | 0.98 | Propane | — | 4.3 GPM | — | No |
| Bradford White RTGR199X1 | 0.96 | Propane | — | 5.8 GPM | — | No |
| Bradford White RTGS150X1 | 0.98 | Propane | — | 4.3 GPM | — | No |
| Bradford White RTGS199X1 | 0.96 | Propane | — | 5.8 GPM | — | No |
| Friedrich 12PROG 40-50P FD HE EC3 40-Gallon | 0.9 | Propane | 88 gal | — | 40 gal | No |
| Friedrich 12PROG 50-50P FD HE EC3 50-Gallon | 0.88 | Propane | 95 gal | — | 50 gal | No |
| Friedrich 8PROG 40-50P FD HE EC1 40-Gallon | 0.9 | Propane | 88 gal | — | 40 gal | No |
| Friedrich 8PROG 50-50P FD HE EC1 50-Gallon | 0.88 | Propane | 95 gal | — | 50 gal | No |
| Friedrich FDTGH-S10I | 0.96 | Natural Gas, Propane | — | 5.2 GPM | — | No |
| Friedrich FDTGH-S11I | 0.96 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Friedrich FDTGH-S84I | 0.96 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Friedrich FDTGH-SR10I | 0.96 | Natural Gas, Propane | — | 5.2 GPM | — | No |
| Friedrich FDTGH-SR11I | 0.96 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Friedrich FDTGH-SR84I | 0.96 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Friedrich Gas Storage 50-Gallon (12PROG 50-100P FD HE EC3) | 0.89 | Propane | 167 gal | — | 50 gal | No |
| Friedrich Gas Storage 50-Gallon (12PROG 50-76P FD HE EC3) | 0.89 | Propane | 136 gal | — | 50 gal | No |
| Friedrich Gas Storage 80-Gallon (12PROG 75-100P FD HE EC3) | 0.88 | Propane | 199 gal | — | 75 gal | No |
| Glow Brand T180 | 0.95 | Natural Gas, Propane | — | — | — | No |
| GSW WATER HEATERS 6G50100-PDVH 3 50-Gallon | 0.88 | Natural Gas, Propane | 100 gal | — | 49 gal | No |
| GSW WATER HEATERS 6G75100-PDVH0-3 80-Gallon | 0.86 | Natural Gas, Propane | 130 gal | — | 74 gal | No |
| GSW WATER HEATERS 8G-50100-PDV-H06-4 50-Gallon | 0.88 | Natural Gas, Propane | 118 gal | — | 49 gal | No |
| GSW WATER HEATERS 8G-75100-PDV-H06-4 80-Gallon | 0.86 | Natural Gas, Propane | 150 gal | — | 74 gal | No |
| HTP Phoenix 50-Gallon | 0.89 | Natural Gas, Propane | 187 gal | — | 53 gal | No |
| HTP Phoenix 80-Gallon (PH100-119) | 0.9 | Natural Gas, Propane | 178 gal | — | 112 gal | No |
| HTP Phoenix 80-Gallon (PH100-80) | 0.93 | Natural Gas, Propane | 132 gal | — | 75 gal | No |
| HTP Phoenix Light Duty 50-Gallon | 0.9 | Natural Gas, Propane | 154 gal | — | 48 gal | No |
| HTP Phoenix Light Duty 65-Gallon | 0.88 | Natural Gas, Propane | 157 gal | — | 58 gal | No |
| HTP Phoenix Light Duty 80-Gallon | 0.87 | Natural Gas, Propane | 206 gal | — | 77 gal | No |
| Kiturami KGWH-150JFP | 0.98 | Propane | — | 4.3 GPM | — | No |
| Kiturami KGWH-150JFRP | 0.98 | Propane | — | 4.3 GPM | — | No |
| Kiturami KGWH-190JFP | 0.96 | Propane | — | 5.8 GPM | — | No |
| Kiturami KGWH-199JFRP | 0.96 | Propane | — | 5.8 GPM | — | No |
| Kiturami KTGWH-180CWS1 | 0.95 | Natural Gas, Propane | — | 5.2 GPM | — | No |
| Kiturami KTGWH-199CWP1 | 0.95 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Kiturami KTGWH-199CWS1 | 0.95 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Laars LT150PRX1 | 0.98 | Propane | — | 4.3 GPM | — | No |
| Laars LT150PXX1 | 0.98 | Propane | — | 4.3 GPM | — | No |
| Laars LT199PRX1 | 0.96 | Propane | — | 5.8 GPM | — | No |
| Laars LT199PXX1 | 0.96 | Propane | — | 5.8 GPM | — | No |
| Lochinvar ATHR-160M 1 (LTHR-160M 1) | 0.95 | Natural Gas, Propane | — | 4.8 GPM | — | No |
| Lochinvar ATHR-160M 1 (LTHR-160X3 1) | 0.95 | Natural Gas, Propane | — | 4.8 GPM | — | No |
| Lochinvar ATHR-180M 1 (LTHR-180M 1) | 0.95 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| Lochinvar ATHR-180M 1 (LTHR-180X3 1) | 0.95 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| Lochinvar ATHR-199M 1 (LTHR-199M 1) | 0.95 | Natural Gas, Propane | — | 5.9 GPM | — | No |
| Lochinvar ATHR-199M 1 (LTHR-199X3 1) | 0.95 | Natural Gas, Propane | — | 5.9 GPM | — | No |
| Lochinvar LCTH-199M-(N,P) 1 | 0.95 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Lochinvar LHPCT-40L 1 40-Gallon | 0.9 | Natural Gas, Propane | 86 gal | — | 38 gal | No |
| Lochinvar LHPCX-50L 1 50-Gallon | 0.9 | Natural Gas, Propane | 118 gal | — | 49 gal | No |
| Lochinvar LTM-160M-P 1-1 | 0.95 | Propane | — | 4.8 GPM | — | No |
| Lochinvar LTM-160X3-P 1-1 | 0.95 | Propane | — | 4.8 GPM | — | No |
| Lochinvar LTM-180M-P 1-1 | 0.95 | Propane | — | 5.4 GPM | — | No |
| Lochinvar LTM-180X3-P 1-1 | 0.95 | Propane | — | 5.4 GPM | — | No |
| Lochinvar LTM-199M-P 1-1 | 0.95 | Propane | — | 6 GPM | — | No |
| Lochinvar LTM-199X3-P 1-1 | 0.95 | Propane | — | 6 GPM | — | No |
| Lochinvar T-H3-OS-N 1 (LCT-199O-P 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| Lochinvar T-H3-OS-N 1 (LTO-540H-P 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| Lochinvar T-H3-OS-N 1 (LTO-540HX3-P 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| Lochinvar T-H3-OS-N 1 (LTO-540P-P 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| Lochinvar T-H3J-OS-N (LTO-240H-P 1-1) | 0.95 | Propane | — | 4.7 GPM | — | No |
| Lochinvar T-H3J-OS-N (LTO-240X3-P 1-1) | 0.95 | Propane | — | 4.7 GPM | — | No |
| Lochinvar T-H3S-DV-N (LTI-340H-P 1-1) | 0.95 | Propane | — | 5.4 GPM | — | No |
| Lochinvar T-H3S-DV-N (LTI-340X3-P 1-1) | 0.95 | Propane | — | 5.4 GPM | — | No |
| Midea JSG40-24PCH-LP | 0.95 | Propane | — | 4.4 GPM | — | No |
| Midea JSG48-29PCH-LP | 0.95 | Propane | — | 5.2 GPM | — | No |
| Midea JSG48-29PCHP-LP | 0.95 | Propane | — | 5.2 GPM | — | No |
| Midea JSG52-32PCH-LP | 0.95 | Propane | — | 5.7 GPM | — | No |
| Midea JSG52-32PCHP-LP | 0.95 | Propane | — | 5.7 GPM | — | No |
| Midea MGWH150IXPN | 0.95 | Propane | — | 4.4 GPM | — | No |
| Midea MGWH150IXPP | 0.95 | Propane | — | 4.4 GPM | — | No |
| Midea MGWH180IXPN | 0.95 | Propane | — | 5.2 GPM | — | No |
| Midea MGWH180IXPP | 0.95 | Propane | — | 5.2 GPM | — | No |
| Midea MGWH199IXPN | 0.95 | Propane | — | 5.7 GPM | — | No |
| Midea MGWH199IXPP | 0.95 | Propane | — | 5.7 GPM | — | No |
| MRCOOL MHWH199NCLU | 0.95 | Propane | — | 5.7 GPM | — | No |
| Navien NPE-180A2 | 0.95 | Natural Gas, Propane | — | 4.3 GPM | — | No |
| Navien NPE-180S2 | 0.96 | Natural Gas, Propane | — | 4.4 GPM | — | No |
| Navien NPE-210A2 | 0.95 | Natural Gas, Propane | — | 5 GPM | — | No |
| Navien NPE-210S2 | 0.96 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| Navien NPE-240A2 | 0.95 | Natural Gas, Propane | — | 5.6 GPM | — | No |
| Navien NPE-240S2 | 0.96 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Noritz EZ111DV (GQ-C3259WX-FF US) | 0.96 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Noritz EZ111DV (GQ-C3260WX-FF US) | 0.96 | Natural Gas, Propane | — | 5.6 GPM | — | No |
| Noritz EZ111DV (GQ-C3261WX-FF US) | 0.98 | Natural Gas, Propane | — | 5.5 GPM | — | No |
| Noritz EZ111DV (GQ-C3261WX-FF-1 US) | 0.98 | Natural Gas, Propane | — | 5.5 GPM | — | No |
| Noritz EZ71DV (GQ-C2661WX-FF US) | 0.98 | Natural Gas, Propane | — | 4.7 GPM | — | No |
| Noritz EZ71DV (GQ-C2661WX-FF-1 US) | 0.98 | Natural Gas, Propane | — | 4.7 GPM | — | No |
| Noritz EZ98DV (GQ-C2859WX-FF US) | 0.96 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| Noritz EZ98DV (GQ-C2860WX-FF US) | 0.96 | Natural Gas, Propane | — | 5.6 GPM | — | No |
| Noritz EZ98DV (GQ-C2861WX-FF US) | 0.98 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| Noritz EZ98DV (GQ-C2861WX-FF-1 US) | 0.98 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| Noritz NCC199CDV (GQ-C3259WZ-FF US) | 0.96 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Noritz NCC199CDV (GQ-C3260WZ-FF US) | 0.96 | Natural Gas, Propane | — | 5.6 GPM | — | No |
| Noritz NCC199CDV (GQ-C3261WZ-FF US) | 0.98 | Natural Gas, Propane | — | 5.5 GPM | — | No |
| Noritz NCC199CDV (GQ-C3261WZ-FF-1 US) | 0.98 | Natural Gas, Propane | — | 5.5 GPM | — | No |
| Noritz NRCR111DV (GQ-C3260WXQ-FF US) | 0.96 | Natural Gas, Propane | — | 5.6 GPM | — | No |
| Noritz NRCR111DV (GQ-C3261WXQ-FF US) | 0.98 | Natural Gas, Propane | — | 5.5 GPM | — | No |
| Noritz NRCR111DV(GQ-C3261WXQ-FF-1 US) | 0.98 | Natural Gas, Propane | — | 5.5 GPM | — | No |
| Noritz NRCR92DV (GQ-C2660WXQ-FF US) | 0.95 | Natural Gas, Propane | — | 4.9 GPM | — | No |
| Noritz NRCR92DV (GQ-C2661WXQ-FF US) | 0.98 | Natural Gas, Propane | — | 4.7 GPM | — | No |
| Noritz NRCR92DV (GQ-C2661WXQ-FF-1 US) | 0.98 | Natural Gas, Propane | — | 4.7 GPM | — | No |
| RELIANCE WATER HEATERS 6-50-TPDT 3 50-Gallon | 0.88 | Natural Gas, Propane | 100 gal | — | 49 gal | No |
| RELIANCE WATER HEATERS 6-75-TPDT 3 80-Gallon | 0.86 | Natural Gas, Propane | 130 gal | — | 74 gal | No |
| RELIANCE WATER HEATERS 8-50-TPDT 4 50-Gallon | 0.88 | Natural Gas, Propane | 118 gal | — | 49 gal | No |
| RELIANCE WATER HEATERS 8-75-TPDT 4 80-Gallon | 0.86 | Natural Gas, Propane | 150 gal | — | 74 gal | No |
| RELIANCE WATER HEATERS ATHR-160M 1 (RTHR-160M 1) | 0.95 | Natural Gas, Propane | — | 4.8 GPM | — | No |
| RELIANCE WATER HEATERS ATHR-160M 1 (RTHR-160X3 1) | 0.95 | Natural Gas, Propane | — | 4.8 GPM | — | No |
| RELIANCE WATER HEATERS ATHR-180M 1 (RTHR-180M 1) | 0.95 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| RELIANCE WATER HEATERS ATHR-180M 1 (RTHR-180X3 1) | 0.95 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| RELIANCE WATER HEATERS ATHR-199M 1 (RTHR-199M 1) | 0.95 | Natural Gas, Propane | — | 5.9 GPM | — | No |
| RELIANCE WATER HEATERS ATHR-199M 1 (RTHR-199X3 1) | 0.95 | Natural Gas, Propane | — | 5.9 GPM | — | No |
| RELIANCE WATER HEATERS GPCT-40L 1 40-Gallon | 0.9 | Natural Gas, Propane | 86 gal | — | 38 gal | No |
| RELIANCE WATER HEATERS GPCX-50L 1 50-Gallon | 0.9 | Natural Gas, Propane | 118 gal | — | 49 gal | No |
| RELIANCE WATER HEATERS RTM-160M-P 1-1 | 0.95 | Propane | — | 4.8 GPM | — | No |
| RELIANCE WATER HEATERS RTM-160X3-P 1-1 | 0.95 | Propane | — | 4.8 GPM | — | No |
| RELIANCE WATER HEATERS RTM-180M-P 1-1 | 0.95 | Propane | — | 5.4 GPM | — | No |
| RELIANCE WATER HEATERS RTM-180X3-P 1-1 | 0.95 | Propane | — | 5.4 GPM | — | No |
| RELIANCE WATER HEATERS RTM-199M-P 1-1 | 0.95 | Propane | — | 6 GPM | — | No |
| RELIANCE WATER HEATERS RTM-199X3-P 1-1 | 0.95 | Propane | — | 6 GPM | — | No |
| RELIANCE WATER HEATERS T-H3-OS-N 1 (TS-540-LEH 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| RELIANCE WATER HEATERS T-H3-OS-N 1 (TS-540P-LEH 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| RELIANCE WATER HEATERS T-H3-OS-N 1 (TS-540X3-LEH 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| RELIANCE WATER HEATERS T-H3J-OS-N (TS-240-LEH 1-1) | 0.95 | Propane | — | 4.7 GPM | — | No |
| RELIANCE WATER HEATERS T-H3J-OS-N (TS-240X3-LEH 1-1) | 0.95 | Propane | — | 4.7 GPM | — | No |
| RELIANCE WATER HEATERS T-H3S-DV-N (TS-340-LIH 1-1) | 0.95 | Propane | — | 5.4 GPM | — | No |
| RELIANCE WATER HEATERS T-H3S-DV-N (TS-340X3-LIH 1-1) | 0.95 | Propane | — | 5.4 GPM | — | No |
| Rheem ECOHS160IP | 0.96 | Propane | — | 4.6 GPM | — | No |
| Rheem ECOHS180IP | 0.96 | Propane | — | 5.2 GPM | — | No |
| Rheem ECOHS200IP | 0.96 | Propane | — | 5.8 GPM | — | No |
| Rheem ECOHSR160IP | 0.96 | Propane | — | 4.6 GPM | — | No |
| Rheem ECOHSR180IP | 0.96 | Propane | — | 5.2 GPM | — | No |
| Rheem ECOHSR200IP | 0.96 | Propane | — | 5.8 GPM | — | No |
| Rheem Gas Storage 50-Gallon (PROP G50-100-CN HE EC3) | 0.89 | Natural Gas, Propane | 167 gal | — | 50 gal | No |
| Rheem Gas Storage 50-Gallon (PROP G50-100-RH HE EC3) | 0.89 | Natural Gas, Propane | 167 gal | — | 50 gal | No |
| Rheem Gas Storage 50-Gallon (PROP G50-76-CN HE EC3) | 0.89 | Natural Gas, Propane | 136 gal | — | 50 gal | No |
| Rheem Gas Storage 50-Gallon (PROP G50-76-RH HE EC3) | 0.89 | Natural Gas, Propane | 136 gal | — | 50 gal | No |
| Rheem Gas Storage 50-Gallon (XP50T12UHC100U0) | 0.89 | Propane | 167 gal | — | 50 gal | No |
| Rheem Gas Storage 50-Gallon (XP50T12UHC76U0) | 0.89 | Propane | 136 gal | — | 50 gal | No |
| Rheem Gas Storage 80-Gallon (PROPG75-100P RH HE EC3) | 0.88 | Propane | 199 gal | — | 75 gal | No |
| Rheem Gas Storage 80-Gallon (XP75T12UHC100U0) | 0.88 | Propane | 199 gal | — | 75 gal | No |
| Rheem PRO+G40-50P RH HE EC1 40-Gallon | 0.9 | Propane | 88 gal | — | 40 gal | No |
| Rheem PRO+G50-50P RH HE EC1 50-Gallon | 0.88 | Propane | 95 gal | — | 50 gal | No |
| Rheem PROP G40-50-CN HE 40-Gallon | 0.9 | Natural Gas, Propane | 88 gal | — | 40 gal | No |
| Rheem PROP G40-50-RH HE EC3 40-Gallon | 0.9 | Natural Gas, Propane | 88 gal | — | 40 gal | No |
| Rheem PROP G50-50-CN HE 50-Gallon | 0.88 | Natural Gas, Propane | 95 gal | — | 50 gal | No |
| Rheem PROP G50-50-RH HE EC3 50-Gallon | 0.88 | Natural Gas, Propane | 95 gal | — | 50 gal | No |
| Rheem RECTGH-S10IP | 0.96 | Propane | — | 5.2 GPM | — | No |
| Rheem RECTGH-S11IP | 0.96 | Propane | — | 5.8 GPM | — | No |
| Rheem RECTGH-S84IP | 0.96 | Propane | — | 4.6 GPM | — | No |
| Rheem RECTGH-SR10IP | 0.96 | Propane | — | 5.2 GPM | — | No |
| Rheem RECTGH-SR11IP | 0.96 | Propane | — | 5.8 GPM | — | No |
| Rheem RECTGH-SR84IP | 0.96 | Propane | — | 4.6 GPM | — | No |
| Rheem RTGH-CS11I | 0.96 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Rheem RTGH-CSR11I | 0.96 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Rheem RTGH-S10I | 0.96 | Natural Gas, Propane | — | 5.2 GPM | — | No |
| Rheem RTGH-S11I | 0.96 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Rheem RTGH-S84I | 0.96 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Rheem RTGH-SR10I | 0.96 | Natural Gas, Propane | — | 5.2 GPM | — | No |
| Rheem RTGH-SR11I | 0.96 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Rheem RTGH-SR84I | 0.96 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Rheem XP40S12UHC50 40-Gallon | 0.9 | Propane | 88 gal | — | 40 gal | No |
| Rheem XP40T09UHC50U0 40-Gallon | 0.9 | Propane | 88 gal | — | 40 gal | No |
| Rheem XP50T09UHN50U0 50-Gallon | 0.88 | Propane | 95 gal | — | 50 gal | No |
| Rheem XP50T12UHC50 50-Gallon | 0.88 | Propane | 95 gal | — | 50 gal | No |
| Richmond 12GUH40-50F 40-Gallon | 0.9 | Natural Gas, Propane | 88 gal | — | 40 gal | No |
| Richmond 12GUH50-50F 50-Gallon | 0.88 | Natural Gas, Propane | 95 gal | — | 50 gal | No |
| Richmond 9GUH40-50FP 40-Gallon | 0.9 | Propane | 88 gal | — | 40 gal | No |
| Richmond 9GUH50-50FP 50-Gallon | 0.88 | Propane | 95 gal | — | 50 gal | No |
| Richmond Gas Storage 50-Gallon (12GUH50-100F) | 0.89 | Natural Gas, Propane | 167 gal | — | 50 gal | No |
| Richmond Gas Storage 50-Gallon (12GUH50-76F) | 0.89 | Natural Gas, Propane | 136 gal | — | 50 gal | No |
| Richmond Gas Storage 80-Gallon (12GUH75-100FP) | 0.88 | Propane | 199 gal | — | 75 gal | No |
| Richmond RMTGHS10IP | 0.96 | Propane | — | 5.2 GPM | — | No |
| Richmond RMTGHS11IP | 0.96 | Propane | — | 5.8 GPM | — | No |
| Richmond RMTGHS84IP | 0.96 | Propane | — | 4.6 GPM | — | No |
| Richmond RMTGHSR10IP | 0.96 | Propane | — | 5.2 GPM | — | No |
| Richmond RMTGHSR11IP | 0.96 | Propane | — | 5.8 GPM | — | No |
| Richmond RMTGHSR84IP | 0.96 | Propane | — | 4.6 GPM | — | No |
| Rinnai CX160I REU-NB2530FFC-US | 0.97 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Rinnai CX199I REU-NB3237FFC-US | 0.98 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Rinnai CXP160I REU-NBP2530FFC-US | 0.97 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Rinnai CXP199I REU-NBP3237FFC-US | 0.98 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Rinnai RX130I REU-NB2024FF-US | 0.97 | Natural Gas, Propane | — | 3.8 GPM | — | No |
| Rinnai RX160I REU-NB2530FF-US | 0.97 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Rinnai RX180I REU-NB2934FF-US | 0.98 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| Rinnai RX199I REU-NB3237FF-US | 0.98 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Rinnai RXP160I REU-NBP2530FF-US | 0.97 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Rinnai RXP199I REU-NBP3237FF-US | 0.98 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Ruud Gas Storage 50-Gallon (PROU G50-100-RU HE EC3) | 0.89 | Natural Gas, Propane | 167 gal | — | 50 gal | No |
| Ruud Gas Storage 50-Gallon (PROU G50-76-RU HE EC3) | 0.89 | Natural Gas, Propane | 136 gal | — | 50 gal | No |
| Ruud Gas Storage 80-Gallon (PROUG75-100P RU HE EC3) | 0.88 | Propane | 199 gal | — | 75 gal | No |
| Ruud PRO+G40-50P RU HE EC1 40-Gallon | 0.9 | Propane | 88 gal | — | 40 gal | No |
| Ruud PRO+G50-50P RU HE EC1 50-Gallon | 0.88 | Propane | 95 gal | — | 50 gal | No |
| Ruud PROU G40-50-RU HE EC3 40-Gallon | 0.9 | Natural Gas, Propane | 88 gal | — | 40 gal | No |
| Ruud PROU G50-50-RU HE EC3 50-Gallon | 0.88 | Natural Gas, Propane | 95 gal | — | 50 gal | No |
| Ruud RUTGH-CS11I | 0.96 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Ruud RUTGH-CSR11I | 0.96 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Ruud RUTGH-S10I | 0.96 | Natural Gas, Propane | — | 5.2 GPM | — | No |
| Ruud RUTGH-S11I | 0.96 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Ruud RUTGH-S84I | 0.96 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Ruud RUTGH-SR10I | 0.96 | Natural Gas, Propane | — | 5.2 GPM | — | No |
| Ruud RUTGH-SR11I | 0.96 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| Ruud RUTGH-SR84I | 0.96 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| State ATHR-160M 1 (STHR-160M 1) | 0.95 | Natural Gas, Propane | — | 4.8 GPM | — | No |
| State ATHR-160M 1 (STHR-160X3 1) | 0.95 | Natural Gas, Propane | — | 4.8 GPM | — | No |
| State ATHR-180M 1 (STHR-180M 1) | 0.95 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| State ATHR-180M 1 (STHR-180X3 1) | 0.95 | Natural Gas, Propane | — | 5.3 GPM | — | No |
| State ATHR-199M 1 (STHR-199M 1) | 0.95 | Natural Gas, Propane | — | 5.9 GPM | — | No |
| State ATHR-199M 1 (STHR-199X3 1) | 0.95 | Natural Gas, Propane | — | 5.9 GPM | — | No |
| State GHX-34-100 N 2 30-Gallon | 0.9 | Natural Gas, Propane | 170 gal | — | 33 gal | No |
| State GP-8-50-TPDT 4 50-Gallon | 0.88 | Natural Gas, Propane | 118 gal | — | 49 gal | No |
| State GP-8-75-TPDT 4 80-Gallon | 0.86 | Natural Gas, Propane | 150 gal | — | 74 gal | No |
| State GP6-50-TPDT 3 50-Gallon | 0.88 | Natural Gas, Propane | 100 gal | — | 49 gal | No |
| State GP6-75-TPDT 3 80-Gallon | 0.86 | Natural Gas, Propane | 130 gal | — | 74 gal | No |
| State GPCT-40L 1 40-Gallon | 0.9 | Natural Gas, Propane | 86 gal | — | 38 gal | No |
| State GPCX-50L 1 50-Gallon | 0.9 | Natural Gas, Propane | 118 gal | — | 49 gal | No |
| State STCH-199M-(N,P) 1 | 0.95 | Natural Gas, Propane | — | 5.8 GPM | — | No |
| State STM-160M-P 1-1 | 0.95 | Propane | — | 4.8 GPM | — | No |
| State STM-160X3-P 1-1 | 0.95 | Propane | — | 4.8 GPM | — | No |
| State STM-180M-P 1-1 | 0.95 | Propane | — | 5.4 GPM | — | No |
| State STM-180X3-P 1-1 | 0.95 | Propane | — | 5.4 GPM | — | No |
| State STM-199M-P 1-1 | 0.95 | Propane | — | 6 GPM | — | No |
| State STM-199X3-P 1-1 | 0.95 | Propane | — | 6 GPM | — | No |
| State T-H3-OS-N 1 (GTS-540-PEH 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| State T-H3-OS-N 1 (GTS-540P-PEH 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| State T-H3-OS-N 1 (GTS-540X3-PEH 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| State T-H3-OS-N 1 (SCT-199O-P 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| State T-H3J-OS-N (GTS-240-PEH 1-1) | 0.95 | Propane | — | 4.7 GPM | — | No |
| State T-H3J-OS-N (GTS-240X3-PEH 1-1) | 0.95 | Propane | — | 4.7 GPM | — | No |
| State T-H3S-DV-N (GTS-340-PIH 1-1) | 0.95 | Propane | — | 5.4 GPM | — | No |
| State T-H3S-DV-N (GTS-340X3-PIH 1-1) | 0.95 | Propane | — | 5.4 GPM | — | No |
| Takagi T-H3-OS-N 1 (T-H3-OS-P 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| Takagi T-H3-OS-N 1 (TCT-199O-P 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| Takagi T-H3-OS-N 1 (TK-540P-PEH 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| Takagi T-H3-OS-N 1 (TK-540X3-PEH 1-1) | 0.95 | Propane | — | 5.8 GPM | — | No |
| Takagi T-H3J-OS-N (T-H3J-OS-P 1-1) | 0.95 | Propane | — | 4.7 GPM | — | No |
| Takagi T-H3J-OS-N (TK-240X3-PEH 1-1) | 0.95 | Propane | — | 4.7 GPM | — | No |
| Takagi T-H3S-DV-N (T-H3S-DV-P 1-1) | 0.95 | Propane | — | 5.4 GPM | — | No |
| Takagi T-H3S-DV-N (TK-340X3-PIH 1-1) | 0.95 | Propane | — | 5.4 GPM | — | No |
| Vesta VRP PLUS-150 | 0.95 | Natural Gas, Propane | — | 4.7 GPM | — | No |
| Vesta VRP PLUS-150 (VTP-150) | 0.96 | Natural Gas, Propane | — | 4.7 GPM | — | No |
| Vesta VRP PLUS-199 | 0.96 | Natural Gas, Propane | — | 6 GPM | — | No |
| Vesta VRP-150 | 0.95 | Natural Gas, Propane | — | 4.3 GPM | — | No |
| Vesta VRS PLUS-150 | 0.96 | Natural Gas, Propane | — | 4.6 GPM | — | No |
| Vesta VRS PLUS-199 | 0.96 | Natural Gas, Propane | — | 5.9 GPM | — | No |
| Vesta VRS PLUS-199 (VTS-199) | 0.96 | Natural Gas, Propane | — | 5.9 GPM | — | No |