Pentair MasterTemp 400K BTU Natural Gas Pool Heater
Pool 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
High-performance heater platform designed for fast and efficient pool heating.
Space-saving design works well on many residential equipment pads.
Reliable heating solution for pools and spas using natural gas.
Digital controls make pool and spa temperature management straightforward.
Engineered for strong heat transfer and dependable operation.
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
Pool heater sizing depends on pool volume, desired temperature rise, plumbing, gas supply, and seasonal conditions. Contact Ultimate Pools for sizing guidance.
Yes. Gas pool heaters require proper gas sizing, venting clearances, plumbing, electrical connections, and local code compliance.
Yes, properly sized pool and spa heaters can support both pool and spa heating applications depending on the system layout.
Check your existing heater model, BTU rating, gas type, plumbing size, and equipment pad space. Ultimate Pools can help confirm compatibility before purchase.
Ultimate Pools provides local support for heater selection, installation questions, troubleshooting, and warranty guidance.
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