Rheem Performance Power Vent 40-Gallon Gas Water Heater

The Rheem Performance Power Vent 40-Gallon Gas Water Heater (XG40T06PV40U0) is the closet-install gas pick — power-vented with PVC flue routing up to 60 feet, eliminating the chimney requirement that constrains atmospheric models. 6-year warranty, 65 GPH first-hour delivery, 40,000 BTU. The right Rheem for homes without atmospheric flue access.

Headline specifications

• Model: XG40T06PV40U0
• Capacity: 40 gallons
• Fuel: Natural gas, power vent
• BTU input: 40,000 BTU/h
• First Hour Delivery: 65 GPH
• Recovery: 40 GPH at 90°F rise
• UEF: 0.67
• Warranty: 6-year tank and parts
• Anode: aluminum-zinc
• Dimensions: 56" H × 22" diameter
• Venting: 3" PVC/CPVC up to 60 ft
• Electrical: 120V outlet required for vent fan

Who this model is for

Right buyer profile: 2–3 person households on natural gas where atmospheric venting isn't an option. Common install scenarios: interior closets without chimney access, basement corners where running atmospheric flue would be impractical, manufactured homes (with appropriate certification), modern construction with sealed building envelopes where atmospheric draft is unreliable. Power-vent forces exhaust outward with a fan, terminating through PVC to an outside wall.

For homes with existing chimneys, the Performance Plus 40G atmospheric saves ~$150 upfront and skips the 120V requirement. For sealed-combustion 2-pipe (intake AND exhaust through PVC), step up to the Performance Plus Direct Vent variant.

Where it beats the alternatives

Vs Performance Plus 40G Atmospheric ($749): Power Vent adds ~$200 for the vent fan and PVC termination. Worth it when atmospheric isn't viable. UEF is a hair higher (0.67 vs 0.63) due to the controlled combustion.

Vs AO Smith Vertex Power Direct Vent 50G ($1,499): Vertex is 50G + 0.90 UEF condensing — much higher upfront but $80–$120/year less in operating cost. For long-horizon owners on natural gas, Vertex's payback math works. For tight-budget closet retrofits, Rheem Power Vent.

Vs tank-to-tankless conversion (e.g. Rheem RTGH-95DVLN): tankless saves ~$50/year in operating cost but adds $1,200–$2,500 upfront + tank-to-tankless install complexity. Power-vent tank stays in the existing footprint — much faster install. For replacement-urgency installs, power-vent tank.

Where it falls short

0.67 UEF is higher than atmospheric (0.62) but still well below condensing tankless (0.96) and condensing tanks (0.90+). Operating cost ~$250–$310/year for 2–3 person households.

120V outlet required at install location. Older installs may need outlet added (~$150–$300 electrician cost).

Power vent fan adds a mechanical failure point not present on atmospheric. Vent fan replacement runs $200–$400 if it fails outside warranty.

Slightly louder than atmospheric — fan-induced vent has audible operation (about 45 dB at 5 ft). Acceptable in basements/utility rooms; noticeable in closet adjacent to living spaces.

6-year warranty is class-standard but trails the Performance Platinum's 12-year — Rheem reserves the long warranty for the high-end Platinum tier.

Install considerations

3" PVC vent run up to 60 ft, terminated through an outside wall with screened cap. 120V outlet within 6 ft of unit. Cold-air intake stays in the room (this is power-vent, not power-direct-vent — atmospheric intake from surrounding space).

Install cost: $1,200–$2,200 like-for-like with existing power-vent infrastructure; $2,500–$4,500 for atmospheric-to-power-vent conversion requiring vent rerouting and outlet addition.

Maintenance

• Annual flush
• Anode check year 3, replace year 5
• T&P valve test annually
• Vent fan inspection every 3 years — listen for bearing noise
• PVC termination cap clean annually (debris and insect screen)
• Register warranty at our Rheem warranty page

Common error codes

Power-vent units have a few error codes atmospheric doesn't: error code 4 indicates vent fan failure or obstruction (clean the termination cap first); error code 12 indicates pressure switch fault (often the silicone tubing has come loose). See our Rheem error codes hub for the full list with troubleshooting steps.

Bottom line

The Rheem Performance Power Vent 40G (XG40T06PV40U0) is the closet-install Rheem — power-vented gas for homes where atmospheric isn't viable. 6-year warranty, 65 GPH FHD, 40,000 BTU recovery. For atmospheric installs, the cheaper Performance Plus 40G wins on upfront cost. For condensing efficiency and tankless-territory operating cost, step up to tankless gas.