Rheem PRO+G50-50U RH HE EC1 50-Gallon is a gas storage water heater from Rheem with a 50 gallon rated tank and a 95 gallon first-hour rating at a 0.88 UEF — 192 therms/yr certified use, 50k BTU/h input.
Also sold as the Friedrich 12PROG 50-50U FD HE EC3 50-Gallon. This model is the same certified
hardware as the Friedrich 12PROG 50-50U FD HE EC3 50-Gallon, published under a
different brand — full details, comparisons, and pricing live on that page. The
certified figures below are identical.
Efficiency
Uniform Energy Factor (UEF)
0.88
Annual gas use (natural gas)
192 therms/yr
Recovery efficiency
94 %
Annual propane use
209.83 gal/yr
General
Fuel
Natural Gas
Capacity
First-hour rating
95 gal
Rated storage volume
50 gal
Draw pattern
High
Performance
Gas input rate
50 kBTU/h
Installation
Max current draw
7 A
Vent type
Power Direct Vent
Vent size
2 / 3
Smart features
Smart / connected capable
No
Dimensions
Height
65.5 in
Diameter
21.8 in
Certification
ENERGY STAR certified
Yes
Capacity and running cost
Its 95 gallon first-hour rating suits a
household of 5+ people under DOE sizing guidance.
Rated for a high-usage draw pattern
under the DOE test procedure.
Estimated running cost: about $278/year at national
average gas rates.
Is the Rheem PRO+G50-50U RH HE EC1 50-Gallon ENERGY STAR certified?
Yes, the Rheem PRO+G50-50U RH HE EC1 50-Gallon holds a current ENERGY STAR certification for water heating efficiency (UEF 0.88).
How much does the Rheem PRO+G50-50U RH HE EC1 50-Gallon cost to run per year?
About $278 per year at national average energy rates, based on its certified annual energy use under the DOE test draw pattern. Your rate and usage change this figure.
What venting does the Rheem PRO+G50-50U RH HE EC1 50-Gallon use?
The Rheem PRO+G50-50U RH HE EC1 50-Gallon uses Power Direct Vent venting with 2 / 3 in vent connections. Matching the existing vent type is usually the cheapest replacement path.
Is the Rheem PRO+G50-50U RH HE EC1 50-Gallon a smart water heater?
No, the Rheem PRO+G50-50U RH HE EC1 50-Gallon is not connected-capable — it has no app connectivity or demand-response support.
