Friedrich Heat Pump 40-Gallon (PROH50 T2 FD400-15)
Friedrich Heat Pump 40-Gallon (PROH50 T2 FD400-15) is a heat pump (hybrid electric) water heater from Friedrich with a 45 gallon rated tank and a 52 gallon first-hour rating at a 3.75 UEF — 846 kWh/yr certified use, 61.8 in tall.
Efficiency
Uniform Energy Factor (UEF)
3.75
Annual electricity use
846 kWh/yr
Recovery efficiency
423 %
General
Fuel
Electric
Capacity
First-hour rating
52 gal
Rated storage volume
45 gal
Draw pattern
Medium
Heat pump
Heat pump type
240 Volt Integrated HPWH
Refrigerant (GWP)
R-134a (GWP:1430)
Compressor low-temp cutoff
37 °F
Installation
Input voltage
240
Max current draw
12 A
Smart features
Smart / connected capable
No
Dimensions
Height
61.8 in
Diameter
22.3 in
Certification
ENERGY STAR certified
Yes
Who is the Friedrich Heat Pump 40-Gallon (PROH50 T2 FD400-15) for?
Its 52 gallon first-hour rating suits a
household of 2–3 people under DOE sizing guidance.
Estimated running cost: about $144/year at the national
average electricity rate (846 kWh/yr certified use).
Needs a 240 V circuit; at 12 A max draw plan for a 15 A breaker (NEC 125% continuous-load rule).
The heat pump compressor operates down to 37 °F ambient — below that, backup
elements take over.
Also sold as
The Friedrich Heat Pump 40-Gallon (PROH50 T2 FD400-15) is certified hardware that Friedrich and its partner brands
publish under 5 names. The same specifications apply to every
variant:
Is the Friedrich Heat Pump 40-Gallon (PROH50 T2 FD400-15) ENERGY STAR certified?
Yes, the Friedrich Heat Pump 40-Gallon (PROH50 T2 FD400-15) holds a current ENERGY STAR certification for water heating efficiency (UEF 3.75).
How much does the Friedrich Heat Pump 40-Gallon (PROH50 T2 FD400-15) cost to run per year?
About $144 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 Friedrich Heat Pump 40-Gallon (PROH50 T2 FD400-15) need?
The Friedrich Heat Pump 40-Gallon (PROH50 T2 FD400-15) runs on a 240 V circuit drawing up to 12 A; per the NEC 125% continuous-load rule plan for at least a 15 A breaker (check the installation manual for the required circuit).
Is the Friedrich Heat Pump 40-Gallon (PROH50 T2 FD400-15) a smart water heater?
No, the Friedrich Heat Pump 40-Gallon (PROH50 T2 FD400-15) is not connected-capable — it has no app connectivity or demand-response support.
