Noritz EZTR40LP Tank Replacement Tankless Water Heater, Liquid Propane

A condensing tankless water heater made to drop into the spot of a standard 40-gallon tank. The Noritz EZTR40LP runs on liquid propane at 15,000 to 120,000 BTU/hr, delivers up to 6.6 GPM, and reuses the existing gas line, vent and water piping in most homes.

Water connections sit on top of the unit to line up with the old tank's supply lines. Venting can run through an existing 3 in. or 4 in. Category I B-vent using flexible polypropylene liner, up to 420 inches, and the modest firing rate allows a 1/2 in. gas line for runs as long as 24 feet. Condensing operation gives a 0.91 Energy Factor; acidic condensate must be routed to a drain or neutralizer.

It plugs into a standard 120V, 60 Hz outlet with a 6-foot cord. Output temperature adjusts from 115°F to 140°F (120°F default). Safety systems cover electronic ignition, flame sensing, overheat and freeze protection, a condensate overfill sensor and fan rotation detection. Sizing suits roughly two baths in southern climates or one and a half in northern ones.

Highlights

• Top water connections align with existing 40-gallon tank piping

• Vents through existing 3 in. or 4 in. B-vent with flexible polypropylene liner

• Works on a 1/2 in. gas line up to 24 feet

• 15,000-120,000 BTU/hr input, up to 6.6 GPM, 0.91 Energy Factor

• Plugs into a 120V outlet with the supplied 6-foot cord

• Freeze, overheat, condensate overfill and fan rotation protection

Specifications

In the box

• Anchoring screws

• 6 ft power cord

• Owner's manual

• Installation manual

Good to know

• Gas-fired appliance: it must be installed, vented and commissioned by a qualified installer in line with local codes and the manufacturer's installation manual.