GU81-40T40R - ProLine® Master 40-Gallon Ultra Low NOx Gas Water Heater - 8 Year Warranty

With their innovative design and commercial-grade components, our ProLine® Master gas water heaters are built for strong, long-lasting performance.

8-year limited Tank warranty, 8-year parts warranty for Residential applications
Intelligent Control Logic-The internal microprocessor provides enhanced operating parameters and tighter differentials for precise sensing and faster heating response to optimize performance.
Green Choice® Gas Burner -Patented eco-friendly burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements of less than 40 ng/J.
Coregard™ Anode Rod - • Our anode rods have a stainless steel core that extends the life of the anode rod allowing superior tank protection far longer than standard anode rods.
Blue Diamond® Glass Coating - Provides superior corrosion resistance compared to industry standard glass lining.
Ultra-Low NOx complies with requirements in California of less than 10 ng/J NOx Emissions

CSA Design Certified Green Choice Gas-Fired Burner CSA Low Lead Content Complies with SCAQMD 1146.2 Ultra-Low NOx regulations

Tech Specs

Nominal Capacity:
?Nominal Capacity is a representative number provided by a manufacturer for comparison purposes. The actual rated storage volume of our water heaters may be found on the product details page on our website.
40
Rated Storage Volume:
?Rated Storage Volume is the measured storage volume defined by the Department of Energy.
38
UEF: 0.64
Self Cleaning: Yes
Limited Warranty Tank: 8
Limited Warranty Parts: 8
Limited Warranty Labor: 1
Max BTUs Input: 40,000
Emissions: Ultra-Low NOx
Ignition Type: Piezo push button
Foam Insulation: Yes
Water Connection Location: Top
Water Connection Size: 3/4
First Hour Recovery (Gallons): 83