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Phoenix Light Duty - High Efficiency Gas Water Heater

The Phoenix® Light Duty Water Heater is highly efficient with up to a .90 Uniform Energy Factor (UEF) rating and three to one turndown ratio. This water heater is constructed with durable 316L stainless steel to resist corrosion and last longer. It's light weight and features top port connections to make installations easier. It is Energy Star rated ultra low NOx compliant making it eco-friendly!

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Light Duty, Light Costs

Energy Star Certified



The Phoenix Light Duty saves you money by operating at up to a .90 UEF. The Phoenix LD provides high system efficiency even during low load conditions. It has a three to one turndown ratio, matching fuel consumption to demand.

The Phoenix Light Duty is Energy Star rated for even greater savings. According to Energy Star, heating water accounts for 15% of a home’s energy use. HTP high efficiency water heaters consume anywhere from 10-50% less energy than standard models.


An Ideal Solution

The Phoenix Light Duty comes in three gallon capacities - 50, 60, and 80 and ranges from 25,000 to 76,000 BTUs. It is available in both liquid propane and natural gas. These units can be used for residential applications or light commercial applications.

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ahri - certified
Model Nominal Gallon Capacity DOE Rated Storage Volume Btuh/Input Range First Hour Rating Bin First Hour Rating UEF
PH76-50 50 48 25,000-76,000 High 154 .90
PH76-60 60 58 25,000-76,000 High 157 .88
PH76-80 80 77 25,000-76,000 High 206 .87

Constructed with Quality

The Phoenix LD is manufactured with high grade stainless steel. Stainless steel resists corrosion, is lightweight for easier installation and provides longer life expectancy. Our stainless steel tank is precision laser welded to eliminate the chance for leaks.

The Phoenix LD vents in 2” PVC, CPVC, or ULC S636 pipe. It has a combined vent length of 150 feet with a two pipe balanced or unbalanced venting system. It also has power vent or direct vent options. The Phoenix LD also has top ports on inlet and outlet and top connection auxiliary port for recirculation line or air handler piping to increase overall efficiency.

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Pair it with an Air Handler

Combine the Phoenix Light Duty with an Air Handler for a domestic hot water and space heating combination appliance. This option allows you to heat your home with one appliance, saving you space. It has built-in auxiliary taps to provide connections to air handlers, radiant heating, or supplemental storage tanks. When paired with an air handler, the Phoenix LD provides consistent and even heat for ultimate comfort while maximizing efficiency and lowering energy costs.

Phoenix Light Duty with an Air Handler

Go Solar

A solar version of our Phoenix Light Duty is also available. Learn more in our OG 300 Solar Supplement.

The HTP Guarantee

The Phoenix Light Duty is backed by a limited 10 year residential warranty (if registered online, 7 years if not registered). In commercial applications, a limited 3 year warranty is standard. An extended warranty is available for purchase for our Phoenix commercial models here.

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Download HTP’s FREE Mobile App. Perfect for when you need guidance on the job. You’ll be able to access installation manuals, parts and installation drawings, brochures, troubleshooting videos and more.

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