Sta-Rite Max-E-Therm Heater, 333,000 BTU, Natural Gas, Cupro-Nickel Exchanger
Double-tap and hold to zoom.
Mouse over the image to zoom.

Sta-Rite Max-E-Therm Heater, 333,000 BTU, Natural Gas, Cupro-Nickel Exchanger

Item Number: JJSR333HD


  • Lightweight – Lightest heater in its class
  • Best-in-class – energy efficiency*
  • Compact Design – Ideal for retro-fit installations
  • Easy to Switch – Change gas sources with installation of separate orifice
  • Environmentally Friendly – All units are low NOx
  • Rustproof Housing – Sleek, matte black enclosure is made of Dura-Glas™ – an exclusive Sta-Rite material that handles the heat and weathers the elements
  • Lower Operating Costs – 84% efficiency rating – rated 1st in its class for highest energy efficiency

Custom or Retrofit – Direct-connects to Sta-Rite System 3® Mod Media™ filter or easily fits other systems For indoor or outdoor installations on pools and spas. Features 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. Proven Dura-Glas™ rust-proof construction with plastic manifold and PVC union connections. Heavy-duty (HD) unit with cupro-nickel exchanger stands up to the harshest of applications, like low pH, high flow or heavy use.

  • Availability: Contact us for availability information

This item may be eligible for return.

Non-stocked Pentair products are only eligible for return at the discretion of the manufacturer within 60 days of delivery. Authorized returns are subject to a minimum 15% handling charge.

Contact us for more information regarding your specific return request.

Proposition 65 Warning for California Customers

Warning: Cancer and Reproductive Harm -