Pentair MasterTemp 400K BTU Natural Gas Pool Heater

Description

Natural Gas Pool & Spa Heater

Pentair MasterTemp Natural Gas High Performance Heater – 400K BTU

400K BTU Pentair MasterTemp natural gas pool heater for reliable residential pool and spa heating.

Warranty Information

Manufacturer Warranty

Professional installation is recommended. Ultimate Pools provides local sizing guidance, installation coordination, and product support.

The Pentair MasterTemp 400K BTU Natural Gas Pool Heater (460736) is a natural gas pool heater designed to deliver dependable heating performance for residential pools and spas.

This Pentair heater helps maintain comfortable swimming temperatures, extend your pool season, and provide fast heat-up performance when properly sized and professionally installed.

For best results, confirm your heater size, fuel type, gas supply, plumbing layout, and installation requirements before purchase.

Main Features

MasterTemp Performance
High-performance heater platform designed for fast and efficient pool heating.

Compact Footprint
Space-saving design works well on many residential equipment pads.

Natural Gas Heating
Reliable heating solution for pools and spas using natural gas.

Easy Temperature Control
Digital controls make pool and spa temperature management straightforward.

Energy-Conscious Design
Engineered for strong heat transfer and dependable operation.

Professional Support
Ultimate Pools can help confirm heater sizing and installation requirements.

Best For

• Residential pool and spa heating
• Natural gas equipment pad installations
• Replacing an aging or undersized pool heater
• Pool owners wanting faster water warm-up
• Professional installation and sizing support

Specifications

Model / SKU	460736
Brand	Pentair
Series	MasterTemp
Product Type	Natural Gas Pool & Spa Heater
Heating Capacity	400K BTU
Fuel Type	Natural Gas
Application	Residential pool and spa heating
Heater Line	MasterTemp
Other Available Sizes	461059- 125K BTU 460730 – 200K BTU 460732 – 250K BTU 460734 – 300K BTU
Warranty	Manufacturer Warranty
Manual	Download Product Manual

Frequently Asked Questions

What size pool is this Pentair heater best for?
Pool heater sizing depends on pool volume, desired temperature rise, plumbing, gas supply, and seasonal conditions. Contact Ultimate Pools for sizing guidance.

Is professional installation recommended?
Yes. Gas pool heaters require proper gas sizing, venting clearances, plumbing, electrical connections, and local code compliance.

Can this heater be used for both pools and spas?
Yes, properly sized pool and spa heaters can support both pool and spa heating applications depending on the system layout.

How do I confirm this is the right replacement heater?
Check your existing heater model, BTU rating, gas type, plumbing size, and equipment pad space. Ultimate Pools can help confirm compatibility before purchase.

Who handles product support?
Ultimate Pools provides local support for heater selection, installation questions, troubleshooting, and warranty guidance.