The Pentair MasterTemp 400 (part number 460737) is a 400,000 BTU propane heater for residential pools and spas. It pairs fast heat-up with a compact, corrosion-resistant cabinet, making it a straightforward upgrade from an older, less efficient gas heater. Propane is a good fit for properties without natural gas service.
Key Features
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400,000 BTU input: Fast heat-up and recovery for residential in-ground pools and spas.
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Compact composite cabinet: Rust-resistant, weather-resistant housing with a small footprint for tight pads and retrofits.
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Digital controls: Rotating digital display with self-diagnostics for setup and troubleshooting.
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Low NOx certified: Cleaner combustion that meets emission standards.
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Quiet operation: Designed to keep noise on the equipment pad to a minimum.
Specifications
| Brand |
Pentair |
| Part Number |
460737 |
| Product Line |
MasterTemp |
| BTU |
400,000 input |
| Fuel Type |
Propane |
| Voltage |
120/240V single phase, 60 Hz |
What's Included
- MasterTemp 400 propane heater
- User manual and installation guide
- Mounting hardware and fittings
Before You Order
Confirm your gas supply is propane, that the BTU rating suits your pool or spa volume, and that venting, clearances and gas line sizing meet local codes. Gas, plumbing and electrical connections should be made by a licensed professional. Questions? Call 855-677-7796 or contact us with your model and part number.
Shipping Box Dimensions
36 x 25 x 30 in
Dimensions refer to the shipping carton.
