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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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Model Nominal Gallon Capacity Rated Gallon Capacity Btuh/Input Range UEF Thermal Efficiency 1st Hour Rating Bin / 1st Hour Rating
PH76-50 50 48 25,000-76,000 .90 97% High / 154
PH76-60 60 58 25,000-76,000 .88 97% High / 157
PH76-80 80 77 25,000-76,000 .87 95% High / 206

Constructed with Quality

The Phoenix LD is manufactured with high grade stainless steel. Stainless steel resists corrosion and provides a longer life expectancy while allowing for a low pressure drop. It eliminates the need for anode rods and allows the unit to be lightweight for easier installation. The tank is made with laser welded precision to eliminate the chance of 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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