Pentair MasterTemp 400K BTU Natural Gas Pool & Spa Heater | 460736
Product Overview
The Pentair MasterTemp 400K BTU Natural Gas Pool & Spa Heater | 460736 is a high-performance heater built for fast heat-up, dependable operation, and efficient residential pool and spa heating. Designed for natural gas installations, this model delivers powerful 400,000 BTU heating in a compact, service-friendly cabinet.
This is a strong choice for pool owners who want reliable temperature control, quick recovery, and trusted Pentair performance for larger pools or pool/spa combinations.
Ideal For
- Large residential in-ground pools
- Pool and spa combination systems
- Natural gas equipment pads
- Replacing an existing 400K BTU natural gas heater
- Customers who want fast heat-up and dependable seasonal performance
Key Features
- 400,000 BTU heating capacity for fast pool and spa heating
- Natural gas model for compatible gas supply installations
- Compact cabinet design helps simplify equipment pad placement
- Digital controls support easy operation and system monitoring
- Designed for efficient, reliable performance in residential pool environments
- Low NOx design where applicable for cleaner operation
Benefits
- Helps heat larger pools and spas quickly
- Provides dependable comfort for extended swim seasons
- Supports efficient operation when properly sized and installed
- Trusted Pentair heater platform with broad service familiarity
- Clear model number and fuel type make replacement matching easier
Specifications
| Brand | Pentair |
| Product Line | MasterTemp |
| Model / Part Number | 460736 |
| Product Type | Pool & Spa Heater |
| Fuel Type | Natural Gas |
| Heating Capacity | 400,000 BTU |
| Electrical | 120/240V, single phase, 60 Hz |
| Application | Residential pool and spa heating |
| SKU | 460736 |
Compatibility Notes
This listing is for Pentair MasterTemp model 460736, the 400,000 BTU natural gas version. Before ordering, confirm your existing heater model, fuel type, BTU requirement, gas supply, plumbing layout, electrical requirements, venting needs, and local code requirements.
If replacing an older heater, match the fuel type and key specifications carefully. This natural gas model is not a propane heater.
What’s Included
- Pentair MasterTemp 400K BTU Natural Gas Pool & Spa Heater | 460736
- Manufacturer documentation, when provided by the manufacturer
Installation Notes
Professional installation is strongly recommended for gas pool heaters. Installation should be performed by a qualified professional according to Pentair instructions, local building codes, gas requirements, electrical requirements, and all applicable safety standards.
Warranty coverage may depend on proper installation and documentation. Confirm installation requirements before purchase.
Customer-Facing Q&A
Q: What model number is this heater?
A: This listing is for Pentair model 460736.
Q: Is this natural gas or propane?
A: This model is natural gas. Confirm your fuel type before ordering.
Q: What is the BTU rating?
A: This heater is rated at 400,000 BTU.
Q: Is this suitable for a pool and spa combination?
A: Yes, this heater is commonly used for pool and spa heating applications when properly sized and installed.
Q: Should this be professionally installed?
A: Yes. Professional installation is strongly recommended for gas pool heaters to support safe operation, proper performance, and warranty compliance.
Q: Can this replace my existing heater?
A: It may be suitable as a replacement if the fuel type, BTU rating, plumbing, electrical, venting, and installation requirements match your current setup.