• Pentair Max-E-Therm® SR400NA 400 Natural Gas Pool & Spa Heater 400K BTU

Sta-Rite Pool Heater MAX-E-THERM Natural Gas Heater Cupro-Nickel - SR400HD

The Sta-Rite SR400HD Max-E-Therm natural gas pool and spa heater combines a heavy-duty cupro-nickel heat exchanger with a compact design for new and retrofit installations. Its blower-assisted combustion chamber and 84% efficiency rating help deliver efficient heating for pools and spas.

Features and construction

  • Heavy-duty cupro-nickel heat exchanger.
  • Rustproof Dura-Glas housing with a sleek, matte black finish, plastic manifold, and PVC union connections.
  • LED temperature readout, dual thermostat controls, temperature safety lockout, and a six-position control panel.
  • PMG burner technology requires no outdoor draft hood.
  • Certified low-NOx emissions and Eco Select brand designation.
  • Lightweight construction, described as the lightest heater in its class, and a compact design suited to retrofit installations.
  • 84% efficiency rating, described as first in its class for energy efficiency, to help lower operating costs.
  • Direct connection to the Sta-Rite System:3 Mod Media filter, with flexibility to fit other systems.

Installation and fuel

This SR400HD listing is for the natural gas model. The existing product specifications describe changing gas sources by installing a separate orifice; this is not a statement that the heater operates on both fuels without conversion. Have your professional installer verify manufacturer-approved conversion requirements before changing fuel sources.

Designed for indoor or outdoor pool and spa installations. The existing description lists 110/220-volt electrical connections; the product's voltage specification is 115/230V. Have your installer confirm the required electrical connection against the installation guide.

Delivery and warranty information

Ships by truck freight with liftgate delivery included. You must be present for delivery. Professional installation is required to qualify for the Pentair warranty. The existing listing specifies in-store pickup and professional installation for the full warranty; review the linked Pentair warranty for applicable terms.

GTIN: 022315306172
SKU: SR400HD
Brand: Sta-Rite
  • Pick up in our Moorpark store for $3899. the lowest price anywhere!
$4,199.00
$5,685.00
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StaRite Pool Heater SR400HD MAX-E-THERM SR400HD Heavy Duty with Cupro-Nickel heat exchanger. Won't rust! Sta-Rite MAX-E THERM pool and spa heaters High efficiency with a compact modern design. This heater can operate on either propane or natural gas. The combustion chamber is blower assisted for an extra high level of efficiency. Hooks up to 110 or 220 volt. Max-E-Therm®Get that warm-all-over feeling. 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. An Eco Select™ Brand Product: Max-E-Therm® high performance heaters offer best-in-class energy efficiency. Plus, they are certified for low NOx emissions, making them eco-friendly favorites. Features: Lightweight - Lightest heater in its class. Environmentally Friendly - All units are low NOx. Compact Design - Ideal for retro-fit installation. Easy to Switch - Change gas sources with installation of separate orifice. 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 Ship truck lines. Liftgate delivery included. You must be present for delivery. Must be professionally installed to qualify for the Pentair warranty. Pick up in store for the full warranty when professionally installed

Key Features

  • 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® Lower operating costs - 84% efficiency rating - rated first 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 Certified for outdoor and indoor installations

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