Description of Sta-Rite Max-E-Therm Propane Gas Indoor Pool Heaters: 200,000 to 400,000 BTUs and available in different styles including ASME and salt water models.

Light and compact design heater with features that include an LED temperature readout with dual thermostat controls, temperature safety lockout, and 6-position control panel. PMG burner technology requires no outdoor draft hood. The Max-E-Therm has proven Dura-Glas rust-proof construction (an exclusive Sta-Rite material that handles the heat and weathers the elements) with plastic manifold and PVC union connections. An Eco Select™ Brand, these high performance heaters are certified for low NOx emissions. They are best-in-class energy efficient and eco-friendly favorites!

Other features:

Compact design makes them Ideal for retro-fit installation.
Lightest weight heater in its class.
They are easy to switch; change gas sources with installation of separate orifice.
Direct-connects to Sta-Rite System:3 Mod Media filter or easily fits other systems.

The heavy-duty units with cupro-nickel exchanger stands up to the harshest of applications, like low pH, high flow or heavy use.

The Max-E-Therm has an 84% efficiency rating—rated 1st in its class for highest energy efficiency.

The models listed below are natural gas indoor heaters (the heater is located inside). They are listed in order of style and then BTU’s. Negative pressure models are listed first. ASME Certified and Salt Water models may take 2-10 days to ship.