Rheem Heat Pump 50-Gallon (PROPH50 T0 RH120) is a heat pump (hybrid electric) water heater from Rheem with a 46 gallon rated tank and a 51 gallon first-hour rating at a 3 UEF — 1082 kWh/yr certified use, 65 in tall.
Efficiency
Uniform Energy Factor (UEF)
3
Annual electricity use
1082 kWh/yr
Recovery efficiency
350 %
General
Fuel
Electric
Capacity
First-hour rating
51 gal
Rated storage volume
46 gal
Draw pattern
Medium
Heat pump
Heat pump type
120 Volt Integrated HPWH
Refrigerant (GWP)
R-134a (GWP:1430)
Compressor low-temp cutoff
220 °F
Installation
Input voltage
120
Max current draw
15 A
Smart features
Smart / connected capable
No
Dimensions
Height
65 in
Diameter
22.3 in
Certification
ENERGY STAR certified
Yes
Who is the Rheem Heat Pump 50-Gallon (PROPH50 T0 RH120) for?
Its 51 gallon first-hour rating suits a
household of 2–3 people under DOE sizing guidance.
Estimated running cost: about $184/year at the national
average electricity rate (1082 kWh/yr certified use).
Runs on a 120 V circuit (up to 15 A) — often no new wiring needed.
The heat pump compressor operates down to 220 °F ambient — below that, backup
elements take over.
Also sold as
The Rheem Heat Pump 50-Gallon (PROPH50 T0 RH120) is certified hardware that Rheem and its partner brands
publish under 5 names. The same specifications apply to every
variant:
Is the Rheem Heat Pump 50-Gallon (PROPH50 T0 RH120) ENERGY STAR certified?
Yes, the Rheem Heat Pump 50-Gallon (PROPH50 T0 RH120) holds a current ENERGY STAR certification for water heating efficiency (UEF 3).
How much does the Rheem Heat Pump 50-Gallon (PROPH50 T0 RH120) cost to run per year?
About $184 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 electrical circuit does the Rheem Heat Pump 50-Gallon (PROPH50 T0 RH120) need?
The Rheem Heat Pump 50-Gallon (PROPH50 T0 RH120) runs on a 120 V circuit drawing up to 15 A — many installations use an existing outlet with no new wiring.
Is the Rheem Heat Pump 50-Gallon (PROPH50 T0 RH120) a smart water heater?
No, the Rheem Heat Pump 50-Gallon (PROPH50 T0 RH120) is not connected-capable — it has no app connectivity or demand-response support.
