Whirlpool Power Vent 40-Gallon Natural Gas Water Heater

The Whirlpool Power Vent 40-Gallon Natural Gas is Whirlpool's power-vented 40-gallon gas tank, built by A.O. Smith with Whirlpool branding for Lowe's channel. Smaller-capacity sibling of the Whirlpool Power Vent 50-Gallon.

Specs: 40 gallons stored, 40,000 BTU input, UEF 0.66, 70-gallon FHR, 6-year tank and parts warranty. Side-wall PVC venting via integrated power-vent fan. Electronic ignition. ENERGY STAR certified.

Power-vent positioning is for installations without chimney access — basements, additions, garage installs where atmospheric venting isn't practical.

About $749 at Lowe's, $1,600 installed. Like-for-like power-vent replacement for smaller households needing power-vent install (no chimney access) at 40-gallon capacity.