

Hero image 0 of Pentair MasterTemp 125 125,000 BTU Propane Gas Compact Pool & Spa Heater System, 0 of 8
Pentair MasterTemp 125 125,000 BTU Propane Gas Compact Pool & Spa Heater System
Key item features
- High Efficiency: Propane heater with 125,000 BTUs, designed for pools up to 15,000 gallons, offering 82-percent efficiency.
- Compact Design: Small footprint with dimensions of 31.5 x 21 x 23 inches and a weight of 80 pounds.
- Rotatable Display: Easy-to-read digital display that rotates for flexible installation and viewing.
- Safety Features: Includes water pressure and stack flue sensor, auto shut-off for overheating, and manual shut-off for servicing.
- User-Friendly: Indicator lights for simple operation and monitoring of the system.
- Quiet Operation: Ensures minimal noise, allowing for uninterrupted leisure pool time.
- Durable Housing: Corrosion and UV-resistant housing for long-lasting use.
- Low Emissions: Certified for Low NOx emissions, making it environmentally friendly.
Generated by AI
Specs
- Btu125000
- Maximum volume treated15000 gal
- Fuel typePropane
- Pool typeAbove-Ground Pools
- Pool heater typePool Heater
- FeaturesUV Resistant
Current price is USD$2,249.00
Price when purchased online
- Free shipping
Free 30-day returns
How do you want your item?
Columbus, 43215
Arrives by Thu, Apr 16
|Sold and shipped by Four Seasons Pool Supply|Pro Seller
4.214207650273224 stars out of 5, based on 1830 seller reviews(4.2)1830 seller reviews
Free 30-day returns
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About this item
Product details
The Pentair EC462025 MasterTemp Propane Gas Pool and Spa Heater is the definition of efficiency, convenience, and reliability. This small-but-mighty heater is user-friendly with safety features you can rely on to keep your system running smoothly. Powered by propane gas and boasting 125,000 BTUs, this pool heater will keep your pool at the perfect temperature so you can always enjoy pool time. Suitable for smaller bodies of water, this compact pool heater can warm pools with up to 15,000 gallons of water. This swimming pool heater may be small, but it has 82-percent efficiency as compared to larger pool heaters. The housing design is built with corrosion and UV-resistance for lasting durability, while the handy safety features ensure your unit doesn't overheat and is easy to shut off when servicing is needed. This pool and spa heater includes an easy-to-read, rotatable digital display and user-friendly indicator lights for simple system operation and monitoring. Best of all, the quiet operation makes sure not to impose on leisure pool time. User-friendly and powerful, this Pentair MasterTemp Propane Gas Pool and Spa Heater won't disappoint.
- Propane heater boasts 125,000 BTUs, designed for smaller bodies of water up to 15,000 gallons
- Compact design with 82-percent efficiency as compared to larger pool heaters
- Rotating digital display allows for any installation rotation and is easy to read
- Safety features such as water pressure and stack flue sensor for overheat prevention, auto shut-off when the temperature exceeds factory limits, and manual shut-off for servicing
- User-friendly indicator lights allow for simple system operation and monitoring
- Quiet operation makes sure not to impose on leisure pool time
- Corrosion and UV-resistant housing deliver durable, lasting use
- Certified for Low NOx emissions
- Voltage: 120/240V
- Intake/discharge plumbing: 1.5-inch
- Dimensions [L x W x H]: 31.5 x 21 x 23 inches
- Weight: 80 pounds
- Propane heater boasts 125,000 BTUs, designed for smaller bodies of water up to 15,000 gallons
- Compact design with 82-percent efficiency as compared to larger pool heaters
- Rotating digital display allows for any installation rotation and is easy to read
- Safety features such as water pressure and stack flue sensor for overheat prevention, auto shut-off when the temperature exceeds factory limits, and manual shut-off for servicing
- User-friendly indicator lights allow for simple system operation and monitoring
- Quiet operation makes sure not to impose on leisure pool time
- Corrosion and UV-resistant housing deliver durable, lasting use
- Certified for Low NOx emissions
- Voltage: 120/240V
- Intake/discharge plumbing: 1.5-inch
- Dimensions (L x W x H): 31.5 x 21 x 23 inches
- Weight: 80 pounds
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Warranty
Warranty information
1-Year
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Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
CHOKING HAZARD - Children Under 3
This toy is not suitable for ages under 3 years. It contains one or more of the following items: marbles, small ball, or small parts.
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Customer ratings & reviews
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Showing 1-3 of 34 reviews
Dec 10, 2025
Gus
5 out of 5 stars review
Seller Verified Purchase
Outstanding Service & Product
Ordering was simple. Heater exactly as described and delivered in a timely manner arriving in perfect condition. Installation was straightforward if you have basic electrical and plumbing knowledge. Brings outdoor spa up to temp rapidly.
Review from Doheny's
Helpful?5J0MT5G6V203132487005
May 12, 2025
Joseph attea
5 out of 5 stars review
Seller Verified Purchase
The heater arrived Friday afternoon and there was damage to a cover so it's being replaced Tuesday with a replacement and the customer service so far has been excellent and I will follow up when the unit is swapped.
Review from poolsupplies.com
Helpful?5J0MT5G6V203132487005
Jun 18, 2025
Gina
5 out of 5 stars review
Seller Verified Purchase
Very nice product!
This is a replacement for an 8 year old similar product. It was super easy to install and much more light weight than I anticipated.
Review from Doheny's
Helpful?5J0MT5G6V203132487005







