Pentair MasterTemp 125 High Performance Heater 125,000 BTUs, Natural Gas | EC-462024
Pentair
SKU: PENEC462024
Pentair MasterTemp 125 Natural Gas Pool & Spa Heater — Model EC-462024
The Pentair EC-462024 is a compact, high-efficiency natural gas heater designed to quickly and reliably heat residential pools or spas. Its portability and energy-efficient design make it an excellent choice for smaller pools, above-ground pools, or spas up to approx. 15,000 gallons.
Key Features
- 125,000 BTU heating capacity — delivers powerful heat output for small-to-medium pools.
- High thermal efficiency (~82%) — maximizes heat output while reducing fuel consumption.
- Compact, lightweight design — easier to handle, ship, and install than larger heaters.
- Pre-mixed gas combustion technology — provides fast heat-up times so you get warm water quickly.
- 1½″ plumbing connection — compatible with standard pool plumbing for small-to-medium pools and spas.
- Digital control panel with rotating display — user-friendly and easy to program regardless of installation orientation.
- Certified low-NOx emissions and suitable for indoor or outdoor use (with proper venting) — environmentally responsible and versatile.
- Durable, corrosion- and UV-resistant housing for long service life outdoors.
Specifications
- Manufacturer: Pentair
- Model / Part Number: EC-462024 (MasterTemp 125 Natural Gas Heater)
- Heat Output: 125,000 BTU
- Recommended Pool/ Spa Capacity: Up to ~15,000 gallons
- Plumbing Connection: 1½″ (standard PVC pipe compatible)
- Fuel Type: Natural gas (Low-NOx certified)
- Efficiency: Approximately 82% thermal efficiency
- Ignition: Electronic / pre-mixed gas combustion
- Housing: Weather-resistant, corrosion- and UV-resistant outer shell
- Dimensions (approx.): Compact footprint suitable for limited-space equipment pads
Installation & Usage Notes
Ensure your pool plumbing and gas supply meet the heater’s requirements before installation. Position the unit on a stable, level pad with proper ventilation if installed outdoors or indoors. Connect the 1½″ plumbing and natural gas supply per local codes, and configure the digital controller for your desired water temperature. For best performance, maintain proper water flow and periodically inspect the heater and connections.
Why Choose the MasterTemp 125 (EC-462024)
If you’re heating a small- to mid-size pool or spa — especially one up to ~15,000 gallons — the EC-462024 premium natural-gas heater offers a powerful, efficient, and space-saving solution. Its quick heat-up, high efficiency, and ease of installation make it an ideal heater for residential pools where economy, reliability, and performance matter.
Hours Of Operation:
Monday - Friday: 8:00 am to 4:00 pm Phoenix Time
Saturday and Sunday: Closed
- Orders costing more than $300 WILL be required to have signature confirmation upon delivery.
- Handling time is typically only 1 day.
- Any item ordered after 1pm Phoenix time, may not ship same-day.
- Call us if you require expedited shipping and we can give you quotes based on your needs.
Return Policy:
- All products, except as noted below, are eligible for return up to 30 days after receipt of item.
- For returns, an RMA form must be filled out HERE or customers can call for additional help.
- Shipping costs will be deducted from all returned items.
- Any item that is missing accessories, original packaging, or is not returned in the same condition that it was received in, may be subject to a re-stocking fee up to 100% based on the condition we receive it in.
- Items broken, damaged, or inoperable due to installer error will not be refunded.
- Fill out the return form or give us a call to obtain an RMA and return shipping label.
- There are no returns on the Pentair Colorsync 618031
- No returns on pool cleaners.
- No returns on opened seals and o-rings.
- No returns on capacitors.
- If a light is returned because it "doesn't work" and it tests fine, the cost to ship and a re-stocking fee will be deducted from the refund.
- All products denied upon arrival at customers house WILL be charged the cost to ship.
- Visa Gift Card Promotions: Gift cards are sent within 14 days of the order. When accepting the Visa Gift card, you agree that if your order is returned or refunded, this amount will be deducted from the refunded amount. All Visa Gift cards are sent via email in an E-Gift Card format and are non refundable.
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