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By Sta-Rite


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Model # SR400NAHD

Alternate Part #'s PENSR400HD

Product Description

Sta-Rite Max-E-Therm Pool and Spa Heaters are certified for outdoor or indoor installation. Features include an LCD 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 Resin provides rust-proof construction.

Heavy-Duty (HD) unit with cupro-nickel exchanger stands up to the harshest of applications, like low pH, high flow or heavy use.

Features:

  • Rust-Proof Enclosure - Unlike conventional metal enclosures, the Max-E-Therm is made of Dura-Glas® - a sleek, lightweight and rustproof material that withstands heat and the elements.
  • Exact Temperature Controls - Weatherproof temperature controls that can be set to your specifications.   Pivoting UV-resistant plastic visor covers the Digital Display.   Accommodates temperatures for both a pool and a spa running off of the same heater, in Fahrenheit (°F) or Celsius (°C).
  • Energy Efficient - PMG combustion technology improves Efficiency and reduces operating costs.  Also provides faster heat ups.  The three sizes available are 83% efficient or higher.
  • Safety - Internal safety feature sets maximum temperature levels.  Full diagnostic lights for troubleshooting problems.  The diagnostic indicator lights tell you whether to service the heater or the pump/filter system.
  • Environment Friendly - Exceeds all air pollution standards.  Electronic ignition enables you to never worry about a pilot light blowing out or leaking gas.
  • Proven Sta-Rite Technology - The Max-E-Therm Heater is the newest member in our family of advanced technology pool and spa products.  Our quality pumps and filters have been used for years to enhance the enjoyment of pools and spas nation wide.
  • Warranty - 2 years parts & labor

Product Specifications

Heat Exchanger:
Cupro Nickel
Gas:
Natural
Ignition:
Electronic
Special Feature:
Low NOx Emission
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?     Asked on 1/16/2012by Guest

Will a gas heater operate at the low speed of a dual speed motor?
 Reply

A  Answered on 1/16/2012 by InyoPools Product Specialist Patrick P.

Probably not - Most gas heater will shut off at low GPM levels (20-40) to keep the heater cores from overheating - 20 for 200 BTUs, 40 for 400 BTUs. Depending on your pool system you might get these GPM levels at the low speed but generally these heaters must be run at the motor's high speed.
 Reply


?     Asked on 6/12/2018by Julie Voorhies

What is the efficiency of this gas unit?
 Reply

A  Answered on 6/14/2018 by InyoPools Product Specialist Andy O.

Hello Julie- The Max-E-Therm Heater 400000 Heavy Duty BTU NG Ele. Ign. - SR400NAHD has an 82% efficiency rating.
 Reply


?     Asked on 6/19/2019by Inyo Visitor

Hello, What is the difference between the Sta-Rite 400NAHD and the Sta-Rite 400HD models? Thanks.
 Reply

A  Answered on 6/20/2019 by InyoPools Product Specialist Matt S.

Hello - the SR400HD and the SR400NAHD are the same units one model number is just the short version of the other. 
 Reply