PENTAIR MASTERTEMP ASME HEATER 400K BTU - 460775

SKU: 460775

The Pentair MasterTemp 400K BTU ASME Natural Gas Heater (Model MT-400-NA-ASME) delivers the professional-grade performance pool contractors need for commercial and high-end residential installations. This ASME-certified heater combines compact design with powerful heating capacity, making it the preferred choice for pool construction and service companies nationwide.

Commercial Installation Benefits

Engineered for contractor efficiency, this heater features direct connection to Schedule 40 PVC pipe, reducing installation time and material costs. The digital operating control with temperature display streamlines commissioning and customer training, while the optimized fuel/air mix ensures superior efficiency that keeps operating costs low for your clients.

Why Pool Contractors Choose MT Pools

MT Pools understands the demands of professional pool installations. Our superior customer service includes technical support from experienced professionals, reliable inventory management, and wholesale pricing that protects your profit margins on every project.

Frequently Asked Questions

What makes this heater ASME certified and why is that important?

ASME certification ensures the heater meets strict commercial-grade standards with steel tube sheet construction and enhanced safety features, making it suitable for commercial pool applications and high-demand installations.

Can this heater handle high-flow commercial applications?

Yes, with a maximum flow rate of 120 GPM and 400K BTU capacity, this heater is designed for commercial pools, large residential installations, and high-turnover applications.

What installation requirements should contractors know?

Installation must be performed by qualified personnel. The pressure switch may need adjustment if installed below pool level or more than two feet above. Proper installation is critical for warranty coverage.

Does MT Pools provide technical support for installations?

Yes, MT Pools offers superior customer service with expert technical guidance to help contractors with proper installation, troubleshooting, and warranty support.

Order Today

Trust MT Pools for your commercial heating needs. Our team provides the technical expertise and reliable service that keeps your projects on schedule and your customers satisfied.

• 400,000 BTU natural gas heating capacity
• ASME certified construction with steel tube sheet
• Digital operating control with temperature display
• Compact 28.15" cabinet height, lightweight at 149 lbs
• Maximum flow rate of 120 GPM for commercial applications
• Direct connection to Schedule 40 PVC pipe
• Induced-draft design for superior efficiency
• Optimized fuel/air mix for faster heat-up times
• Fixed high limit safety with manual reset
• Silicone O-rings for reliable sealing
• Pre-set capability for pool and spa temperatures
• Professional installation required for warranty coverage