PENTAIR 400K MAX-E-THERM LOW NOX HEATER - SR400LP

SKU: SR400LP
Regular price $4,269.05

The Pentair SR400LP Max-E-Therm 400K BTU Low NOx Heater delivers unmatched efficiency and reliability for pool contractors demanding professional-grade performance. As the lightest heater in its class at just 138 pounds, this propane unit reduces installation labor costs while providing advanced digital controls and smart connectivity that pool professionals trust.

Commercial Installation Benefits

Designed for easy retrofit installations with its compact form factor, this heater features rustproof Dura-Glas construction and ASME Code brass headers that withstand harsh commercial environments. The flexible 40-120 GPM flow rate accommodates various pool sizes, while the advanced ignition control with flame strength sensor ensures reliable operation that minimizes service callbacks.

Why Pool Contractors Choose MT Pools

MT Pools provides superior customer service with expert technical support for complex commercial installations. Our B2B wholesale pricing structure maximizes your profit margins while our reliable inventory keeps your projects on schedule. Join thousands of contractors who trust MT Pools for their heating equipment needs.

Frequently Asked Questions

Can the SR400LP integrate with existing Pentair control systems?

Yes, the Max-E-Therm SR400LP features smart connectivity that integrates seamlessly with Pentair IntelliCenter Control Systems for remote monitoring and control.

What are the installation clearance requirements?

The SR400LP requires 6 inches clearance from top and all sides, and must not be installed within 5 feet of pool/spa surface unless properly separated.

Is this heater suitable for both indoor and outdoor installations?

Yes, the Max-E-Therm is certified for both indoor and outdoor installation on combustible surfaces, with integral venting system included.

Does MT Pools offer technical support for installation?

Yes, MT Pools provides superior customer service with expert technical guidance to ensure proper installation and optimal performance for pool contractors.

Order Today

Experience the MT Pools difference with professional-grade equipment and unmatched B2B support. Contact our team for wholesale pricing and technical assistance on your next commercial pool heating project.

• 400,000 BTU/hr heating capacity with Low NOx emissions
• Lightest in class at 138 pounds for easy handling and installation
• Rustproof Dura-Glas housing with ASME Code brass headers
• Digital controls with full-text display and advanced diagnostics
• Smart connectivity integrates with Pentair IntelliCenter Control System
• Flexible flow rate: 40-120 gallons per minute
• Electronic intermittent ignition with flame strength sensor
• Compact dimensions: 30" H x 29.25" W x 15.33" D
• Suitable for indoor/outdoor installation on combustible surfaces
• 120/240 VAC single phase power requirements
• Stainless steel burners for durability
• ASME Code copper or cupro-nickel fin tubes
• CSA International certified to ANSI Z21.56/CSA 4.7 standards
• Optional Smart Heater Bypass valve for operational cost savings
• 6-inch clearance requirements from all sides