Product Overview
The Pentair MasterTemp 250 High Performance Pool & Spa Heater EC-462027 is a compact propane gas heater designed to deliver fast, reliable heating for residential pool and spa systems. With 250,000 BTUs of heating power, propane fuel operation, digital controls, and low NOx performance, this heater is a strong choice for medium-to-large residential pools, spas, and pool/spa combinations.
The MasterTemp 250 propane model is ideal for homes without natural gas service or pool systems already set up for LP gas. Its compact cabinet, quiet operation, and service-friendly design make it one of Pentair’s most popular heater options for dependable pool and spa heating.
Ideal For
Medium-to-large residential pools
Pool and spa combination systems
Propane / LP gas pool heating applications
Homes without natural gas service
Equipment pads with limited space
Pool owners upgrading from an older propane heater
Customers wanting faster heat-up than a smaller BTU heater
Key Features
250,000 BTU propane heating performance
Propane / LP gas operation
Compact MasterTemp cabinet design
Digital control panel for easy temperature adjustment
Rotating control display for easier installer setup and service access
Hot-surface ignition with no standing pilot
Low NOx certified heater design
Quiet operation for residential equipment pads
Rust-resistant exterior cabinet
Built-in safety features for system protection
Designed for outdoor or properly vented indoor installations
Compatible with many pool and spa automation systems
Benefits
The Pentair MasterTemp 250 Propane Heater gives pool owners strong heating performance in a compact, efficient design. Its 250K BTU output provides faster warm-up than smaller heaters, making it a practical choice for pool/spa combinations and medium-to-large residential pools.
Because this model runs on propane, it is a strong option for properties without natural gas service or installations where LP gas is already available. The digital control panel makes operation simple, while the compact cabinet helps reduce equipment pad space requirements.
Specifications
| Specification | Details |
|---|---|
| Brand | Pentair |
| Series | MasterTemp |
| Product Type | Pool and Spa Heater |
| Model | MasterTemp 250 |
| SKU | EC-462027 |
| Barcode | 788379889432 |
| Fuel Type | Propane / LP Gas |
| BTU Rating | 250,000 BTUs |
| Electrical Requirement | 120/240 VAC |
| Phase | Single Phase |
| Heater Type | Gas Pool & Spa Heater |
| Ignition Type | Hot-Surface Ignition |
| Low NOx | Yes |
| Control Type | Digital Control Panel |
| Exterior | Rust-resistant composite cabinet |
| Application | Residential pool and spa heating |
| Installation Type | Outdoor or properly vented indoor installation |
| Automation Compatible | Yes, with compatible pool automation systems |
| Installation | Professional installation recommended |
| Condition | New |
Compatibility & Ordering Notes
Confirm this is the correct propane / LP gas model before ordering.
Verify that 250,000 BTUs is properly sized for the pool or spa application.
Confirm propane gas supply, regulator setup, gas line size, electrical requirements, plumbing layout, venting requirements, equipment pad clearances, and local code requirements before installation.
This model is not for natural gas systems. For natural gas applications, use the correct natural gas MasterTemp model.
Professional installation is strongly recommended.
Installed or used heaters may not be eligible for return.
Customer-Facing Q&A
Q: Is EC-462027 natural gas or propane?
A: Pentair EC-462027 is the propane / LP gas version of the MasterTemp 250 heater.
Q: How many BTUs is this heater?
A: This heater is rated at 250,000 BTUs.
Q: Can this heater run on 120V or 240V?
A: Yes. MasterTemp heaters are designed for 120/240 VAC single-phase electrical operation.
Q: Does this heater use a standing pilot light?
A: No. This heater uses hot-surface ignition and does not require a standing pilot.
Q: Is this heater good for medium-to-large pools?
A: Yes. The 250K BTU size is commonly used for medium-to-large residential pools and pool/spa systems. Proper sizing depends on pool volume, desired temperature rise, climate, and whether a pool cover is used.
Q: Can this heater work with pool automation?
A: Yes. The MasterTemp heater platform can be connected to compatible pool automation systems.
Q: Is professional installation recommended?
A: Yes. Gas pool heaters should be installed by a qualified professional to ensure proper gas, electrical, plumbing, venting, and safety setup.
Q: What should I verify before ordering?
A: Confirm fuel type, BTU sizing, gas supply, electrical requirements, plumbing compatibility, venting requirements, installation clearances, and local code requirements.