Gas Tankless Water Heaters

Certified gas tankless (on-demand) water heaters — endless hot water limited by flow rate rather than tank size, with no standby tank losses.

386 certified models in this category.

Model Uniform Energy Factor (UEF)FuelFirst-hour ratingMax flow rateRated storage volumeSmart / connected capable
A. O. Smith ACTH-199M-(N,P) 1 0.95Natural Gas, Propane—5.8 GPM—No
A. O. Smith ATHR-160M 1 0.95Natural Gas, Propane—4.8 GPM—No
A. O. Smith ATHR-160M 1 (ATHR-160X3 1) 0.95Natural Gas, Propane—4.8 GPM—No
A. O. Smith ATHR-160M 1 (GT15THR-160M 1) 0.95Natural Gas, Propane—4.8 GPM—No
A. O. Smith ATHR-160M 1 (GT15THR-160X3 1) 0.95Natural Gas, Propane—4.8 GPM—No
A. O. Smith ATHR-180M 1 0.95Natural Gas, Propane—5.3 GPM—No
A. O. Smith ATHR-180M 1 (ATHR-180X3 1) 0.95Natural Gas, Propane—5.3 GPM—No
A. O. Smith ATHR-180M 1 (GT15THR-180M 1) 0.95Natural Gas, Propane—5.3 GPM—No
A. O. Smith ATHR-180M 1 (GT15THR-180X3 1) 0.95Natural Gas, Propane—5.3 GPM—No
A. O. Smith ATHR-199M 1 0.95Natural Gas, Propane—5.9 GPM—No
A. O. Smith ATHR-199M 1 (ATHR-199X3 1) 0.95Natural Gas, Propane—5.9 GPM—No
A. O. Smith ATHR-199M 1 (GT15THR-199M 1) 0.95Natural Gas, Propane—5.9 GPM—No
A. O. Smith ATHR-199M 1 (GT15THR-199X3 1) 0.95Natural Gas, Propane—5.9 GPM—No
A. O. Smith ATM-160M-N 1 0.95Natural Gas—4.8 GPM—No
A. O. Smith ATM-160M-N 1 (ATM-160X3-N 1) 0.95Natural Gas—4.8 GPM—No
A. O. Smith ATM-160M-N 1 (GT15TM-160M-N) 0.95Natural Gas—4.8 GPM—No
A. O. Smith ATM-160M-N 1 (GT15TM-160X3-N) 0.95Natural Gas—4.8 GPM—No
A. O. Smith ATM-160M-P 1-1 0.95Propane—4.8 GPM—No
A. O. Smith ATM-160X3-P 1-1 0.95Propane—4.8 GPM—No
A. O. Smith ATM-180M-N 1 0.95Natural Gas—5.4 GPM—No
A. O. Smith ATM-180M-N 1 (ATM-180X3-N 1) 0.95Natural Gas—5.4 GPM—No
A. O. Smith ATM-180M-N 1 (GT15TM-180M-N) 0.95Natural Gas—5.4 GPM—No
A. O. Smith ATM-180M-N 1 (GT15TM-180X3-N) 0.95Natural Gas—5.4 GPM—No
A. O. Smith ATM-180M-P 1-1 0.95Propane—5.4 GPM—No
A. O. Smith ATM-180X3-P 1-1 0.95Propane—5.4 GPM—No
A. O. Smith ATM-199M-N 1 0.95Natural Gas—6 GPM—No
A. O. Smith ATM-199M-N 1 (ATM-199X3-N 1) 0.95Natural Gas—6 GPM—No
A. O. Smith ATM-199M-N 1 (GT15TM-199M-N) 0.95Natural Gas—6 GPM—No
A. O. Smith ATM-199M-N 1 (GT15TM-199X3-N) 0.95Natural Gas—6 GPM—No
A. O. Smith ATM-199M-P 1-1 0.95Propane—6 GPM—No
A. O. Smith ATM-199X3-P 1-1 0.95Propane—6 GPM—No
A. O. Smith GT15TM-160M-N 1 0.95Natural Gas—4.8 GPM—No
A. O. Smith GT15TM-160M-P 1-1 0.95Propane—4.8 GPM—No
A. O. Smith GT15TM-160X3-N 1 0.95Natural Gas—4.8 GPM—No
A. O. Smith GT15TM-160X3-P 1-1 0.95Propane—4.8 GPM—No
A. O. Smith GT15TM-180M-N 1 0.95Natural Gas—5.4 GPM—No
A. O. Smith GT15TM-180M-P 1-1 0.95Propane—5.4 GPM—No
A. O. Smith GT15TM-180X3-N 1 0.95Natural Gas—5.4 GPM—No
A. O. Smith GT15TM-199M-N 1 0.95Natural Gas—6 GPM—No
A. O. Smith GT15TM-199M-P 1-1 0.95Propane—6 GPM—No
A. O. Smith GT15TM-199X3-N 1 0.95Natural Gas—6 GPM—No
A. O. Smith GT15TM-199X3-P 1-1 0.95Propane—6 GPM—No
A. O. Smith T-H3-OS-N 1 (ACT-199O-N 1) 0.95Natural Gas—5.8 GPM—No
A. O. Smith T-H3-OS-N 1 (ACT-199O-P 1-1) 0.95Propane—5.8 GPM—No
A. O. Smith T-H3-OS-N 1 (ATO-540H 1-1) 0.95Propane—5.8 GPM—No
A. O. Smith T-H3-OS-N 1 (ATO-540H 1) 0.95Natural Gas—5.8 GPM—No
A. O. Smith T-H3-OS-N 1 (ATO-540HX3-N 1) 0.95Natural Gas—5.8 GPM—No
A. O. Smith T-H3-OS-N 1 (ATO-540HX3-P 1-1) 0.95Propane—5.8 GPM—No
A. O. Smith T-H3-OS-N 1 (ATO-540P-N 1) 0.95Natural Gas—5.8 GPM—No
A. O. Smith T-H3-OS-N 1 (ATO-540P-P 1-1) 0.95Propane—5.8 GPM—No
A. O. Smith T-H3-OS-N 1 (GT15-540-NO 1) 0.95Natural Gas—5.8 GPM—No
A. O. Smith T-H3J-OS-N (ATO-240H 1-1) 0.95Propane—4.7 GPM—No
A. O. Smith T-H3J-OS-N (ATO-240H 1) 0.95Natural Gas—4.7 GPM—No
A. O. Smith T-H3J-OS-N (ATO-240HX3-N 1) 0.95Natural Gas—4.7 GPM—No
A. O. Smith T-H3J-OS-N (ATO-240HX3-P 1-1) 0.95Propane—4.7 GPM—No
A. O. Smith T-H3J-OS-N (GT15-240-NO 1) 0.95Natural Gas—4.7 GPM—No
A. O. Smith T-H3J-OS-N (GT15-240-PO 1-1) 0.95Propane—4.7 GPM—No
A. O. Smith T-H3S-DV-N (ATI-340H 1-1) 0.95Propane—5.4 GPM—No
A. O. Smith T-H3S-DV-N (ATI-340H 1) 0.95Natural Gas—5.4 GPM—No
A. O. Smith T-H3S-DV-N (ATI-340HX3-N 1) 0.95Natural Gas—5.4 GPM—No
A. O. Smith T-H3S-DV-N (ATI-340HX3-P 1-1) 0.95Propane—5.4 GPM—No
A. O. Smith T-H3S-DV-N (GT15-340-NI 1) 0.95Natural Gas—5.4 GPM—No
A. O. Smith T-H3S-DV-N (GT15-340-PI 1-1) 0.95Propane—5.4 GPM—No
American ATHR-160M 1 (MTHR-160M 1) 0.95Natural Gas, Propane—4.8 GPM—No
American ATHR-160M 1 (MTHR-160X3 1) 0.95Natural Gas, Propane—4.8 GPM—No
American ATHR-180M 1 (MTHR-180M 1) 0.95Natural Gas, Propane—5.3 GPM—No
American ATHR-180M 1 (MTHR-180X3 1) 0.95Natural Gas, Propane—5.3 GPM—No
American ATHR-199M 1 (MTHR-199M 1) 0.95Natural Gas, Propane—5.9 GPM—No
American ATHR-199M 1 (MTHR-199X3 1) 0.95Natural Gas, Propane—5.9 GPM—No
American ATM-160M-N 1 (MTM-160M-N 1) 0.95Natural Gas—4.8 GPM—No
American ATM-160M-N 1 (MTM-160X3-N 1) 0.95Natural Gas—4.8 GPM—No
American ATM-180M-N 1 (MTM-180M-N 1) 0.95Natural Gas—5.4 GPM—No
American ATM-180M-N 1 (MTM-180X3-N 1) 0.95Natural Gas—5.4 GPM—No
American ATM-199M-N 1 (MTM-199M-N 1) 0.95Natural Gas—6 GPM—No
American ATM-199M-N 1 (MTM-199X3-N 1) 0.95Natural Gas—6 GPM—No
American MCTH-199M-(N,P) 1 0.95Natural Gas, Propane—5.8 GPM—No
American MTM-160M-P 1-1 0.95Propane—4.8 GPM—No
American MTM-160X3-P 1-1 0.95Propane—4.8 GPM—No
American MTM-180M-P 1-1 0.95Propane—5.4 GPM—No
American MTM-180X3-P 1-1 0.95Propane—5.4 GPM—No
American MTM-199M-P 1-1 0.95Propane—6 GPM—No
American MTM-199X3-P 1-1 0.95Propane—6 GPM—No
American T-H3-OS-N 1 (GT-540-NEH 1) 0.95Natural Gas—5.8 GPM—No
American T-H3-OS-N 1 (GT-540-PEH 1-1) 0.95Propane—5.8 GPM—No
American T-H3-OS-N 1 (GT-540P-NEH 1) 0.95Natural Gas—5.8 GPM—No
American T-H3-OS-N 1 (GT-540P-PEH 1-1) 0.95Propane—5.8 GPM—No
American T-H3-OS-N 1 (GT-540X3-NEH 1) 0.95Natural Gas—5.8 GPM—No
American T-H3-OS-N 1 (GT-540X3-PEH 1-1) 0.95Propane—5.8 GPM—No
American T-H3-OS-N 1 (MCT-199O-N 1) 0.95Natural Gas—5.8 GPM—No
American T-H3-OS-N 1 (MCT-199O-P 1-1) 0.95Propane—5.8 GPM—No
American T-H3J-OS-N (GT-240-NEH 1) 0.95Natural Gas—4.7 GPM—No
American T-H3J-OS-N (GT-240-PEH 1-1) 0.95Propane—4.7 GPM—No
American T-H3J-OS-N (GT-240X3-NEH 1) 0.95Natural Gas—4.7 GPM—No
American T-H3J-OS-N (GT-240X3-PEH 1-1) 0.95Propane—4.7 GPM—No
American T-H3S-DV-N (GT-340-NIH 1) 0.95Natural Gas—5.4 GPM—No
American T-H3S-DV-N (GT-340-PIH 1-1) 0.95Propane—5.4 GPM—No
American T-H3S-DV-N (GT-340X3-NIH 1) 0.95Natural Gas—5.4 GPM—No
American T-H3S-DV-N (GT-340X3-PIH 1-1) 0.95Propane—5.4 GPM—No
Bosch Greentherm (T9800 SE 160) 0.95Natural Gas, Propane—4.6 GPM—No
Bosch Greentherm (T9800 SE 199) 0.95Natural Gas, Propane—5.4 GPM—No
Bosch Greentherm (T9800 SEO 160) 0.95Natural Gas, Propane—4.6 GPM—No
Bosch Greentherm (T9800 SEO 199) 0.95Natural Gas, Propane—5.4 GPM—No
Bosch Greentherm (T9900 SE 160) 0.95Natural Gas, Propane—4.6 GPM—No
Bosch Greentherm (T9900 SE 199) 0.95Natural Gas, Propane—5.4 GPM—No
Bradford White RTG-K-160N2 0.95Natural Gas, Propane—4.6 GPM—No
Bradford White RTG-K-160N2 (RTG-K-160N1) 0.95Natural Gas, Propane—4.6 GPM—No
Bradford White RTG-K-199N1 0.95Natural Gas, Propane—5.4 GPM—No
Bradford White RTG-K-199N2 0.95Natural Gas, Propane—5.4 GPM—No
Bradford White RTGL 199N1 0.95Natural Gas, Propane—5.4 GPM—No
Bradford White RTGR150N1 0.98Natural Gas—4.3 GPM—No
Bradford White RTGR150X1 0.98Propane—4.3 GPM—No
Bradford White RTGR199N1 0.96Natural Gas—5.8 GPM—No
Bradford White RTGR199X1 0.96Propane—5.8 GPM—No
Bradford White RTGS150N1 0.98Natural Gas—4.3 GPM—No
Bradford White RTGS150X1 0.98Propane—4.3 GPM—No
Bradford White RTGS199N1 0.96Natural Gas—5.8 GPM—No
Bradford White RTGS199X1 0.96Propane—5.8 GPM—No
Friedrich FDTGH-S10I 0.96Natural Gas, Propane—5.2 GPM—No
Friedrich FDTGH-S11I 0.96Natural Gas, Propane—5.8 GPM—No
Friedrich FDTGH-S84I 0.96Natural Gas, Propane—4.6 GPM—No
Friedrich FDTGH-SR10I 0.96Natural Gas, Propane—5.2 GPM—No
Friedrich FDTGH-SR11I 0.96Natural Gas, Propane—5.8 GPM—No
Friedrich FDTGH-SR84I 0.96Natural Gas, Propane—4.6 GPM—No
Glow Brand T180 0.95Natural Gas, Propane———No
Kepler JSG48-29PCH/180K 0.96Natural Gas—5.2 GPM—No
Kepler JSG52-32PCH/199KNP 0.96Natural Gas—5.7 GPM—No
Kepler JSG52-32PCH/199KWP 0.96Natural Gas—5.7 GPM—No
Kings Peak KNG199ICW 0.96Natural Gas—5.7 GPM—No
Kiturami KGWH-150JFN 0.98Natural Gas—4.3 GPM—No
Kiturami KGWH-150JFP 0.98Propane—4.3 GPM—No
Kiturami KGWH-150JFRN 0.98Natural Gas—4.3 GPM—No
Kiturami KGWH-150JFRP 0.98Propane—4.3 GPM—No
Kiturami KGWH-190JFN 0.96Natural Gas—5.8 GPM—No
Kiturami KGWH-190JFP 0.96Propane—5.8 GPM—No
Kiturami KGWH-199JFRN 0.96Natural Gas—5.8 GPM—No
Kiturami KGWH-199JFRP 0.96Propane—5.8 GPM—No
Kiturami KTGWH-180CWS1 0.95Natural Gas, Propane—5.2 GPM—No
Kiturami KTGWH-199CWP1 0.95Natural Gas, Propane—5.8 GPM—No
Kiturami KTGWH-199CWS1 0.95Natural Gas, Propane—5.8 GPM—No
Laars LT150NRX1 0.98Natural Gas—4.3 GPM—No
Laars LT150NXX1 0.98Natural Gas—4.3 GPM—No
Laars LT150PRX1 0.98Propane—4.3 GPM—No
Laars LT150PXX1 0.98Propane—4.3 GPM—No
Laars LT199NRX1 0.96Natural Gas—5.8 GPM—No
Laars LT199NXX1 0.96Natural Gas—5.8 GPM—No
Laars LT199PRX1 0.96Propane—5.8 GPM—No
Laars LT199PXX1 0.96Propane—5.8 GPM—No
Lochinvar ATHR-160M 1 (LTHR-160M 1) 0.95Natural Gas, Propane—4.8 GPM—No
Lochinvar ATHR-160M 1 (LTHR-160X3 1) 0.95Natural Gas, Propane—4.8 GPM—No
Lochinvar ATHR-180M 1 (LTHR-180M 1) 0.95Natural Gas, Propane—5.3 GPM—No
Lochinvar ATHR-180M 1 (LTHR-180X3 1) 0.95Natural Gas, Propane—5.3 GPM—No
Lochinvar ATHR-199M 1 (LTHR-199M 1) 0.95Natural Gas, Propane—5.9 GPM—No
Lochinvar ATHR-199M 1 (LTHR-199X3 1) 0.95Natural Gas, Propane—5.9 GPM—No
Lochinvar ATM-160M-N 1 (LTM-160M-N 1) 0.95Natural Gas—4.8 GPM—No
Lochinvar ATM-160M-N 1 (LTM-160X3-N 1) 0.95Natural Gas—4.8 GPM—No
Lochinvar ATM-180M-N 1 (LTM-180M-N 1) 0.95Natural Gas—5.4 GPM—No
Lochinvar ATM-180M-N 1 (LTM-180X3-N 1) 0.95Natural Gas—5.4 GPM—No
Lochinvar ATM-199M-N 1 (LTM-199M-N 1) 0.95Natural Gas—6 GPM—No
Lochinvar ATM-199M-N 1 (LTM-199X3-N 1) 0.95Natural Gas—6 GPM—No
Lochinvar LCTH-199M-(N,P) 1 0.95Natural Gas, Propane—5.8 GPM—No
Lochinvar LTM-160M-P 1-1 0.95Propane—4.8 GPM—No
Lochinvar LTM-160X3-P 1-1 0.95Propane—4.8 GPM—No
Lochinvar LTM-180M-P 1-1 0.95Propane—5.4 GPM—No
Lochinvar LTM-180X3-P 1-1 0.95Propane—5.4 GPM—No
Lochinvar LTM-199M-P 1-1 0.95Propane—6 GPM—No
Lochinvar LTM-199X3-P 1-1 0.95Propane—6 GPM—No
Lochinvar T-H3-OS-N 1 (LCT-199O-N 1) 0.95Natural Gas—5.8 GPM—No
Lochinvar T-H3-OS-N 1 (LCT-199O-P 1-1) 0.95Propane—5.8 GPM—No
Lochinvar T-H3-OS-N 1 (LTO-540H-N 1) 0.95Natural Gas—5.8 GPM—No
Lochinvar T-H3-OS-N 1 (LTO-540H-P 1-1) 0.95Propane—5.8 GPM—No
Lochinvar T-H3-OS-N 1 (LTO-540HX3-N 1) 0.95Natural Gas—5.8 GPM—No
Lochinvar T-H3-OS-N 1 (LTO-540HX3-P 1-1) 0.95Propane—5.8 GPM—No
Lochinvar T-H3-OS-N 1 (LTO-540P-N 1) 0.95Natural Gas—5.8 GPM—No
Lochinvar T-H3-OS-N 1 (LTO-540P-P 1-1) 0.95Propane—5.8 GPM—No
Lochinvar T-H3J-OS-N (LTO-240H-N 1) 0.95Natural Gas—4.7 GPM—No
Lochinvar T-H3J-OS-N (LTO-240H-P 1-1) 0.95Propane—4.7 GPM—No
Lochinvar T-H3J-OS-N (LTO-240X3-N 1) 0.95Natural Gas—4.7 GPM—No
Lochinvar T-H3J-OS-N (LTO-240X3-P 1-1) 0.95Propane—4.7 GPM—No
Lochinvar T-H3S-DV-N (LTI-340H-N 1) 0.95Natural Gas—5.4 GPM—No
Lochinvar T-H3S-DV-N (LTI-340H-P 1-1) 0.95Propane—5.4 GPM—No
Lochinvar T-H3S-DV-N (LTI-340X3-N 1) 0.95Natural Gas—5.4 GPM—No
Lochinvar T-H3S-DV-N (LTI-340X3-P 1-1) 0.95Propane—5.4 GPM—No
Midea JSG40-24PCH-LP 0.95Propane—4.4 GPM—No
Midea JSG40-24PCH-NG 0.95Natural Gas—4.4 GPM—No
Midea JSG48-29PCH-LP 0.95Propane—5.2 GPM—No
Midea JSG48-29PCH-NG 0.95Natural Gas—5.2 GPM—No
Midea JSG48-29PCHP-LP 0.95Propane—5.2 GPM—No
Midea JSG48-29PCHP-NG 0.95Natural Gas—5.2 GPM—No
Midea JSG52-32PCH-LP 0.95Propane—5.7 GPM—No
Midea JSG52-32PCH-NG 0.95Natural Gas—5.7 GPM—No
Midea JSG52-32PCHP-LP 0.95Propane—5.7 GPM—No
Midea JSG52-32PCHP-NG 0.95Natural Gas—5.7 GPM—No
Midea MGWH150IXNN 0.95Natural Gas—4.4 GPM—No
Midea MGWH150IXNP 0.95Natural Gas—4.4 GPM—No
Midea MGWH150IXPN 0.95Propane—4.4 GPM—No
Midea MGWH150IXPP 0.95Propane—4.4 GPM—No
Midea MGWH180IXNN 0.95Natural Gas—5.2 GPM—No
Midea MGWH180IXNP 0.95Natural Gas—5.2 GPM—No
Midea MGWH180IXPN 0.95Propane—5.2 GPM—No
Midea MGWH180IXPP 0.95Propane—5.2 GPM—No
Midea MGWH199IXNN 0.95Natural Gas—5.7 GPM—No
Midea MGWH199IXNP 0.95Natural Gas—5.7 GPM—No
Midea MGWH199IXPN 0.95Propane—5.7 GPM—No
Midea MGWH199IXPP 0.95Propane—5.7 GPM—No
MRCOOL 0.95Natural Gas—5.7 GPM—No
MRCOOL MHWH199NCLU 0.95Propane—5.7 GPM—No
Navien NPE-180A2 0.95Natural Gas, Propane—4.3 GPM—No
Navien NPE-180S2 0.96Natural Gas, Propane—4.4 GPM—No
Navien NPE-210A2 0.95Natural Gas, Propane—5 GPM—No
Navien NPE-210S2 0.96Natural Gas, Propane—5.3 GPM—No
Navien NPE-240A2 0.95Natural Gas, Propane—5.6 GPM—No
Navien NPE-240S2 0.96Natural Gas, Propane—5.8 GPM—No
Noritz EZ111DV (GQ-C3259WX-FF US) 0.96Natural Gas, Propane—5.8 GPM—No
Noritz EZ111DV (GQ-C3260WX-FF US) 0.96Natural Gas, Propane—5.6 GPM—No
Noritz EZ111DV (GQ-C3261WX-FF US) 0.98Natural Gas, Propane—5.5 GPM—No
Noritz EZ111DV (GQ-C3261WX-FF-1 US) 0.98Natural Gas, Propane—5.5 GPM—No
Noritz EZ71DV (GQ-C2661WX-FF US) 0.98Natural Gas, Propane—4.7 GPM—No
Noritz EZ71DV (GQ-C2661WX-FF-1 US) 0.98Natural Gas, Propane—4.7 GPM—No
Noritz EZ98DV (GQ-C2859WX-FF US) 0.96Natural Gas, Propane—5.3 GPM—No
Noritz EZ98DV (GQ-C2860WX-FF US) 0.96Natural Gas, Propane—5.6 GPM—No
Noritz EZ98DV (GQ-C2861WX-FF US) 0.98Natural Gas, Propane—5.3 GPM—No
Noritz EZ98DV (GQ-C2861WX-FF-1 US) 0.98Natural Gas, Propane—5.3 GPM—No
Noritz NCC199CDV (GQ-C3259WZ-FF US) 0.96Natural Gas, Propane—5.8 GPM—No
Noritz NCC199CDV (GQ-C3260WZ-FF US) 0.96Natural Gas, Propane—5.6 GPM—No
Noritz NCC199CDV (GQ-C3261WZ-FF US) 0.98Natural Gas, Propane—5.5 GPM—No
Noritz NCC199CDV (GQ-C3261WZ-FF-1 US) 0.98Natural Gas, Propane—5.5 GPM—No
Noritz NRCR111DV (GQ-C3260WXQ-FF US) 0.96Natural Gas, Propane—5.6 GPM—No
Noritz NRCR111DV (GQ-C3261WXQ-FF US) 0.98Natural Gas, Propane—5.5 GPM—No
Noritz NRCR111DV(GQ-C3261WXQ-FF-1 US) 0.98Natural Gas, Propane—5.5 GPM—No
Noritz NRCR92DV (GQ-C2660WXQ-FF US) 0.95Natural Gas, Propane—4.9 GPM—No
Noritz NRCR92DV (GQ-C2661WXQ-FF US) 0.98Natural Gas, Propane—4.7 GPM—No
Noritz NRCR92DV (GQ-C2661WXQ-FF-1 US) 0.98Natural Gas, Propane—4.7 GPM—No
RELIANCE WATER HEATERS ATHR-160M 1 (RTHR-160M 1) 0.95Natural Gas, Propane—4.8 GPM—No
RELIANCE WATER HEATERS ATHR-160M 1 (RTHR-160X3 1) 0.95Natural Gas, Propane—4.8 GPM—No
RELIANCE WATER HEATERS ATHR-180M 1 (RTHR-180M 1) 0.95Natural Gas, Propane—5.3 GPM—No
RELIANCE WATER HEATERS ATHR-180M 1 (RTHR-180X3 1) 0.95Natural Gas, Propane—5.3 GPM—No
RELIANCE WATER HEATERS ATHR-199M 1 (RTHR-199M 1) 0.95Natural Gas, Propane—5.9 GPM—No
RELIANCE WATER HEATERS ATHR-199M 1 (RTHR-199X3 1) 0.95Natural Gas, Propane—5.9 GPM—No
RELIANCE WATER HEATERS ATM-160M-N 1 (RTM-160M-N 1) 0.95Natural Gas—4.8 GPM—No
RELIANCE WATER HEATERS ATM-160M-N 1 (RTM-160X3-N 1) 0.95Natural Gas—4.8 GPM—No
RELIANCE WATER HEATERS ATM-180M-N 1 (RTM-180M-N 1) 0.95Natural Gas—5.4 GPM—No
RELIANCE WATER HEATERS ATM-180M-N 1 (RTM-180X3-N 1) 0.95Natural Gas—5.4 GPM—No
RELIANCE WATER HEATERS ATM-199M-N 1 (RTM-199M-N 1) 0.95Natural Gas—6 GPM—No
RELIANCE WATER HEATERS ATM-199M-N 1 (RTM-199X3-N 1) 0.95Natural Gas—6 GPM—No
RELIANCE WATER HEATERS RTM-160M-P 1-1 0.95Propane—4.8 GPM—No
RELIANCE WATER HEATERS RTM-160X3-P 1-1 0.95Propane—4.8 GPM—No
RELIANCE WATER HEATERS RTM-180M-P 1-1 0.95Propane—5.4 GPM—No
RELIANCE WATER HEATERS RTM-180X3-P 1-1 0.95Propane—5.4 GPM—No
RELIANCE WATER HEATERS RTM-199M-P 1-1 0.95Propane—6 GPM—No
RELIANCE WATER HEATERS RTM-199X3-P 1-1 0.95Propane—6 GPM—No
RELIANCE WATER HEATERS T-H3-OS-N 1 (TS-540-GEH 1) 0.95Natural Gas—5.8 GPM—No
RELIANCE WATER HEATERS T-H3-OS-N 1 (TS-540-LEH 1-1) 0.95Propane—5.8 GPM—No
RELIANCE WATER HEATERS T-H3-OS-N 1 (TS-540P-GEH 1) 0.95Natural Gas—5.8 GPM—No
RELIANCE WATER HEATERS T-H3-OS-N 1 (TS-540P-LEH 1-1) 0.95Propane—5.8 GPM—No
RELIANCE WATER HEATERS T-H3-OS-N 1 (TS-540X3-GEH 1) 0.95Natural Gas—5.8 GPM—No
RELIANCE WATER HEATERS T-H3-OS-N 1 (TS-540X3-LEH 1-1) 0.95Propane—5.8 GPM—No
RELIANCE WATER HEATERS T-H3J-OS-N (TS-240-GEH 1) 0.95Natural Gas—4.7 GPM—No
RELIANCE WATER HEATERS T-H3J-OS-N (TS-240-LEH 1-1) 0.95Propane—4.7 GPM—No
RELIANCE WATER HEATERS T-H3J-OS-N (TS-240X3-GEH 1) 0.95Natural Gas—4.7 GPM—No
RELIANCE WATER HEATERS T-H3J-OS-N (TS-240X3-LEH 1-1) 0.95Propane—4.7 GPM—No
RELIANCE WATER HEATERS T-H3S-DV-N (TS-340-GIH 1) 0.95Natural Gas—5.4 GPM—No
RELIANCE WATER HEATERS T-H3S-DV-N (TS-340-LIH 1-1) 0.95Propane—5.4 GPM—No
RELIANCE WATER HEATERS T-H3S-DV-N (TS-340X3-GIH 1) 0.95Natural Gas—5.4 GPM—No
RELIANCE WATER HEATERS T-H3S-DV-N (TS-340X3-LIH 1-1) 0.95Propane—5.4 GPM—No
Rheem ECOHS160IN 0.96Natural Gas—4.6 GPM—No
Rheem ECOHS160IP 0.96Propane—4.6 GPM—No
Rheem ECOHS180IN 0.96Natural Gas—5.2 GPM—No
Rheem ECOHS180IP 0.96Propane—5.2 GPM—No
Rheem ECOHS200IN 0.96Natural Gas—5.8 GPM—No
Rheem ECOHS200IP 0.96Propane—5.8 GPM—No
Rheem ECOHSR160IN 0.96Natural Gas—4.6 GPM—No
Rheem ECOHSR160IP 0.96Propane—4.6 GPM—No
Rheem ECOHSR180IN 0.96Natural Gas—5.2 GPM—No
Rheem ECOHSR180IP 0.96Propane—5.2 GPM—No
Rheem ECOHSR200IN 0.96Natural Gas—5.8 GPM—No
Rheem ECOHSR200IP 0.96Propane—5.8 GPM—No
Rheem RECTGH-S10IN 0.96Natural Gas—5.2 GPM—No
Rheem RECTGH-S10IP 0.96Propane—5.2 GPM—No
Rheem RECTGH-S11IN 0.96Natural Gas—5.8 GPM—No
Rheem RECTGH-S11IP 0.96Propane—5.8 GPM—No
Rheem RECTGH-S84IN 0.96Natural Gas—4.6 GPM—No
Rheem RECTGH-S84IP 0.96Propane—4.6 GPM—No
Rheem RECTGH-SR10IN 0.96Natural Gas—5.2 GPM—No
Rheem RECTGH-SR10IP 0.96Propane—5.2 GPM—No
Rheem RECTGH-SR11IN 0.96Natural Gas—5.8 GPM—No
Rheem RECTGH-SR11IP 0.96Propane—5.8 GPM—No
Rheem RECTGH-SR84IN 0.96Natural Gas—4.6 GPM—No
Rheem RECTGH-SR84IP 0.96Propane—4.6 GPM—No
Rheem RTGH-CS11I 0.96Natural Gas, Propane—5.8 GPM—No
Rheem RTGH-CSR11I 0.96Natural Gas, Propane—5.8 GPM—No
Rheem RTGH-S10I 0.96Natural Gas, Propane—5.2 GPM—No
Rheem RTGH-S11I 0.96Natural Gas, Propane—5.8 GPM—No
Rheem RTGH-S84I 0.96Natural Gas, Propane—4.6 GPM—No
Rheem RTGH-SR10I 0.96Natural Gas, Propane—5.2 GPM—No
Rheem RTGH-SR11I 0.96Natural Gas, Propane—5.8 GPM—No
Rheem RTGH-SR84I 0.96Natural Gas, Propane—4.6 GPM—No
Richmond RMTGHS10IN 0.96Natural Gas—5.2 GPM—No
Richmond RMTGHS10IP 0.96Propane—5.2 GPM—No
Richmond RMTGHS11IN 0.96Natural Gas—5.8 GPM—No
Richmond RMTGHS11IP 0.96Propane—5.8 GPM—No
Richmond RMTGHS84IN 0.96Natural Gas—4.6 GPM—No
Richmond RMTGHS84IP 0.96Propane—4.6 GPM—No
Richmond RMTGHSR10IN 0.96Natural Gas—5.2 GPM—No
Richmond RMTGHSR10IP 0.96Propane—5.2 GPM—No
Richmond RMTGHSR11IN 0.96Natural Gas—5.8 GPM—No
Richmond RMTGHSR11IP 0.96Propane—5.8 GPM—No
Richmond RMTGHSR84IN 0.96Natural Gas—4.6 GPM—No
Richmond RMTGHSR84IP 0.96Propane—4.6 GPM—No
Rinnai CX160I REU-NB2530FFC-US 0.97Natural Gas, Propane—4.6 GPM—No
Rinnai CX199I REU-NB3237FFC-US 0.98Natural Gas, Propane—5.8 GPM—No
Rinnai CXP160I REU-NBP2530FFC-US 0.97Natural Gas, Propane—4.6 GPM—No
Rinnai CXP199I REU-NBP3237FFC-US 0.98Natural Gas, Propane—5.8 GPM—No
Rinnai RX130I REU-NB2024FF-US 0.97Natural Gas, Propane—3.8 GPM—No
Rinnai RX160I REU-NB2530FF-US 0.97Natural Gas, Propane—4.6 GPM—No
Rinnai RX180I REU-NB2934FF-US 0.98Natural Gas, Propane—5.3 GPM—No
Rinnai RX199I REU-NB3237FF-US 0.98Natural Gas, Propane—5.8 GPM—No
Rinnai RXP160I REU-NBP2530FF-US 0.97Natural Gas, Propane—4.6 GPM—No
Rinnai RXP199I REU-NBP3237FF-US 0.98Natural Gas, Propane—5.8 GPM—No
Ruud RUTGH-CS11I 0.96Natural Gas, Propane—5.8 GPM—No
Ruud RUTGH-CSR11I 0.96Natural Gas, Propane—5.8 GPM—No
Ruud RUTGH-S10I 0.96Natural Gas, Propane—5.2 GPM—No
Ruud RUTGH-S11I 0.96Natural Gas, Propane—5.8 GPM—No
Ruud RUTGH-S84I 0.96Natural Gas, Propane—4.6 GPM—No
Ruud RUTGH-SR10I 0.96Natural Gas, Propane—5.2 GPM—No
Ruud RUTGH-SR11I 0.96Natural Gas, Propane—5.8 GPM—No
Ruud RUTGH-SR84I 0.96Natural Gas, Propane—4.6 GPM—No
State ATHR-160M 1 (STHR-160M 1) 0.95Natural Gas, Propane—4.8 GPM—No
State ATHR-160M 1 (STHR-160X3 1) 0.95Natural Gas, Propane—4.8 GPM—No
State ATHR-180M 1 (STHR-180M 1) 0.95Natural Gas, Propane—5.3 GPM—No
State ATHR-180M 1 (STHR-180X3 1) 0.95Natural Gas, Propane—5.3 GPM—No
State ATHR-199M 1 (STHR-199M 1) 0.95Natural Gas, Propane—5.9 GPM—No
State ATHR-199M 1 (STHR-199X3 1) 0.95Natural Gas, Propane—5.9 GPM—No
State ATM-160M-N 1 (STM-160M-N 1) 0.95Natural Gas—4.8 GPM—No
State ATM-160M-N 1 (STM-160X3-N 1) 0.95Natural Gas—4.8 GPM—No
State ATM-180M-N 1 (STM-180M-N 1) 0.95Natural Gas—5.4 GPM—No
State ATM-180M-N 1 (STM-180X3-N 1) 0.95Natural Gas—5.4 GPM—No
State ATM-199M-N 1 (STM-199M-N 1) 0.95Natural Gas—6 GPM—No
State ATM-199M-N 1 (STM-199X3-N 1) 0.95Natural Gas—6 GPM—No
State STCH-199M-(N,P) 1 0.95Natural Gas, Propane—5.8 GPM—No
State STM-160M-P 1-1 0.95Propane—4.8 GPM—No
State STM-160X3-P 1-1 0.95Propane—4.8 GPM—No
State STM-180M-P 1-1 0.95Propane—5.4 GPM—No
State STM-180X3-P 1-1 0.95Propane—5.4 GPM—No
State STM-199M-P 1-1 0.95Propane—6 GPM—No
State STM-199X3-P 1-1 0.95Propane—6 GPM—No
State T-H3-OS-N 1 (GTS-540-NEH 1) 0.95Natural Gas—5.8 GPM—No
State T-H3-OS-N 1 (GTS-540-PEH 1-1) 0.95Propane—5.8 GPM—No
State T-H3-OS-N 1 (GTS-540P-NEH 1) 0.95Natural Gas—5.8 GPM—No
State T-H3-OS-N 1 (GTS-540P-PEH 1-1) 0.95Propane—5.8 GPM—No
State T-H3-OS-N 1 (GTS-540X3-NEH 1) 0.95Natural Gas—5.8 GPM—No
State T-H3-OS-N 1 (GTS-540X3-PEH 1-1) 0.95Propane—5.8 GPM—No
State T-H3-OS-N 1 (SCT-199O-N 1) 0.95Natural Gas—5.8 GPM—No
State T-H3-OS-N 1 (SCT-199O-P 1-1) 0.95Propane—5.8 GPM—No
State T-H3J-OS-N (GTS-240-NEH 1) 0.95Natural Gas—4.7 GPM—No
State T-H3J-OS-N (GTS-240-PEH 1-1) 0.95Propane—4.7 GPM—No
State T-H3J-OS-N (GTS-240X3-NEH 1) 0.95Natural Gas—4.7 GPM—No
State T-H3J-OS-N (GTS-240X3-PEH 1-1) 0.95Propane—4.7 GPM—No
State T-H3S-DV-N (GTS-340-NIH 1) 0.95Natural Gas—5.4 GPM—No
State T-H3S-DV-N (GTS-340-PIH 1-1) 0.95Propane—5.4 GPM—No
State T-H3S-DV-N (GTS-340X3-NIH 1) 0.95Natural Gas—5.4 GPM—No
State T-H3S-DV-N (GTS-340X3-PIH 1-1) 0.95Propane—5.4 GPM—No
stream33 S33-95TWH199-LP/NG 0.95Natural Gas—5.7 GPM—No
stream33 S33-95TWH199P-LP/NG 0.95Natural Gas—5.7 GPM—No
Takagi T-H3-OS-N 1 0.95Natural Gas—5.8 GPM—No
Takagi T-H3-OS-N 1 (T-H3-OS-P 1-1) 0.95Propane—5.8 GPM—No
Takagi T-H3-OS-N 1 (TCT-199O-N 1) 0.95Natural Gas—5.8 GPM—No
Takagi T-H3-OS-N 1 (TCT-199O-P 1-1) 0.95Propane—5.8 GPM—No
Takagi T-H3-OS-N 1 (TK-540P-NEH 1) 0.95Natural Gas—5.8 GPM—No
Takagi T-H3-OS-N 1 (TK-540P-PEH 1-1) 0.95Propane—5.8 GPM—No
Takagi T-H3-OS-N 1 (TK-540X3-NEH 1) 0.95Natural Gas—5.8 GPM—No
Takagi T-H3-OS-N 1 (TK-540X3-PEH 1-1) 0.95Propane—5.8 GPM—No
Takagi T-H3J-OS-N (T-H3J-OS-N 1) 0.95Natural Gas—4.7 GPM—No
Takagi T-H3J-OS-N (T-H3J-OS-P 1-1) 0.95Propane—4.7 GPM—No
Takagi T-H3J-OS-N (TK-240X3-NEH 1) 0.95Natural Gas—4.7 GPM—No
Takagi T-H3J-OS-N (TK-240X3-PEH 1-1) 0.95Propane—4.7 GPM—No
Takagi T-H3S-DV-N (T-H3S-DV-N 1) 0.95Natural Gas—5.4 GPM—No
Takagi T-H3S-DV-N (T-H3S-DV-P 1-1) 0.95Propane—5.4 GPM—No
Takagi T-H3S-DV-N (TK-340X3-NIH 1) 0.95Natural Gas—5.4 GPM—No
Takagi T-H3S-DV-N (TK-340X3-PIH 1-1) 0.95Propane—5.4 GPM—No
Vesta VRP PLUS-150 0.95Natural Gas, Propane—4.7 GPM—No
Vesta VRP PLUS-150 (VTP-150) 0.96Natural Gas, Propane—4.7 GPM—No
Vesta VRP PLUS-199 0.96Natural Gas, Propane—6 GPM—No
Vesta VRP-150 0.95Natural Gas, Propane—4.3 GPM—No
Vesta VRS PLUS-150 0.96Natural Gas, Propane—4.6 GPM—No
Vesta VRS PLUS-199 0.96Natural Gas, Propane—5.9 GPM—No
Vesta VRS PLUS-199 (VTS-199) 0.96Natural Gas, Propane—5.9 GPM—No