{"product_id":"pentairmastertemp250highperformancepoolspaheater250000btuspropaneec462027penec462027","title":"Pentair MasterTemp 250 Pool \u0026 Spa Heater 250,000 BTUs, Propane | EC-462027","description":"\u003cdiv\u003e\n\u003ch2\u003ePentair EC-462027 – MasterTemp 250 Low NOx Heater (250,000 BTU, Propane)\u003c\/h2\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe EC-462027 is a high-performance gas pool and spa heater by Pentair. With a 250,000 BTU output and low NOx emissions, this propane-fueled unit is designed to deliver efficient, reliable heating in a compact footprint while meeting modern environmental and performance standards.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e250,000 BTU rated output for fast warm-up of pool and spa water.\u003c\/li\u003e\n\u003cli\u003ePropane gas fuel type with low NOx emissions—ideal for installations requiring air-quality compliance.\u003c\/li\u003e\n\u003cli\u003eCompact design allows easier equipment-pad placement in tighter spaces.\u003c\/li\u003e\n\u003cli\u003eBuilt-in digital control panel and LED system status indicators for simplified monitoring and diagnostics.\u003c\/li\u003e\n\u003cli\u003eDurable construction suitable for outdoor installations and typical pool water environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: EC-462027\u003c\/li\u003e\n\u003cli\u003eHeat Output: 250,000 BTU\/hour\u003c\/li\u003e\n\u003cli\u003eFuel Type: Propane (LP)\u003c\/li\u003e\n\u003cli\u003eEmission Standard: Low NOx certified\u003c\/li\u003e\n\u003cli\u003eDimensions: Approx. 21″ L × 21″ W × 28″ H (varies by installation)\u003c\/li\u003e\n\u003cli\u003ePlumbing Connections: 2″ inlet\/outlet unions typical for this size heater\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis heater is ideal for in-ground residential pools and spas where efficient rapid heating is required and where low-emission operation is mandatory or preferred. It is particularly suitable for retrofit or replacement applications where space is limited and existing plumbing supports a 2″ flow-through heater.\u003c\/p\u003e\n\u003ch3\u003eInstallation Instructions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTurn off and lock out the pool circulation pump and power supply before installing the heater.\u003c\/li\u003e\n\u003cli\u003eClear the installation area, ensure proper ventilation and confirm local codes for low NOx installations.\u003c\/li\u003e\n\u003cli\u003ePlumb the heater into the return line (after filter and pump) with correct flow direction, and connect to the propane supply line with proper pressure regulator.\u003c\/li\u003e\n\u003cli\u003eComplete all gas, electrical and water-line connections as per manufacturer instructions and local codes.\u003c\/li\u003e\n\u003cli\u003ePrime the system, fire up the heater and monitor the digital control panel and LED indicators for correct operation and fault codes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTroubleshooting \u0026amp; Maintenance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo heat or delayed warm-up:\u003c\/strong\u003e Check gas supply, flow rate, and ensure the heater is set to the correct fuel type (propane).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoor flow or high pressure drop:\u003c\/strong\u003e Verify that the pump and filter before the heater are not restricted and that the heater is installed in the correct position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED fault indication:\u003c\/strong\u003e Reference the heater’s control panel code list, clear any blockages or verify sensor operation per manual.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaintenance Tip\u003c\/h3\u003e\n\u003cp\u003eSchedule annual inspection of the heater’s burner assembly, heat exchanger and venting system. Keep the area clear of debris, insects and foliage. Regular servicing extends the unit’s life and ensures efficient operation for years to come.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52335999582524,"sku":"EC-462027","price":3739.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-mastertemp-250-pool-spa-heater-250000-btus-propane-ec-462027-pool-heaters-2910217.png?v=1763067239","url":"https:\/\/aquapoolsupply.com\/products\/pentairmastertemp250highperformancepoolspaheater250000btuspropaneec462027penec462027","provider":"Aqua Pool Supply","version":"1.0","type":"link"}