{"product_id":"pentair-461112-eti-pool-and-spa-heater-250k-btu","title":"PENTAIR ETI 461112 LOW NOX NATURAL GAS POOL \u0026 SPA HEATER – 250K BTU, TITANIUM HEAT EXCHANGER","description":"\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 25\" L x 25\" W x 32\" H\u003cbr\u003e\u003cstrong\u003eHeating Capacity:\u003c\/strong\u003e 250,000 BTU\u003cbr\u003e\u003cstrong\u003eThermal Efficiency:\u003c\/strong\u003e 94% (96% on Propane)\u003cbr\u003e\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Natural Gas\u003cbr\u003e\u003cstrong\u003eHeat Exchanger:\u003c\/strong\u003e Titanium\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 270 lbs\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Condensing High-Efficiency\u003cbr\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e Low NOx\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003ePentair 461112 ETi Pool \u0026amp; Spa Heater\u003c\/strong\u003e delivers \u003cstrong\u003e250,000 BTU\u003c\/strong\u003e at \u003cstrong\u003e94% thermal efficiency\u003c\/strong\u003e - a full ten points above the 84% that conventional pool heaters achieve, and rising to \u003cstrong\u003e96% on propane\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThat gap is the whole reason to specify an ETi. A conventional heater sends roughly 16% of the fuel you pay for out the flue as hot exhaust. The ETi's condensing design extracts that latent heat instead, and on a pool running long hours the fuel savings recover the price premium.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003etitanium heat exchanger\u003c\/strong\u003e is the other differentiator. Titanium is immune to corrosion from salt, chlorine, and condensate acidity - the last of which is what destroys copper exchangers in condensing applications. It carries no water chemistry restrictions, which makes it the right heater for saltwater pools.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e250,000 BTU heating capacity\u003c\/li\u003e\n\u003cli\u003e94% thermal efficiency on natural gas\u003c\/li\u003e\n\u003cli\u003e96% thermal efficiency on propane\u003c\/li\u003e\n\u003cli\u003eCondensing design recovers latent flue heat\u003c\/li\u003e\n\u003cli\u003eTitanium heat exchanger - fully corrosion proof\u003c\/li\u003e\n\u003cli\u003eNo water chemistry restrictions\u003c\/li\u003e\n\u003cli\u003eIdeal for saltwater pools\u003c\/li\u003e\n\u003cli\u003eLow NOx emissions\u003c\/li\u003e\n\u003cli\u003eCompact 25\" x 25\" footprint\u003c\/li\u003e\n\u003cli\u003eDigital control interface\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e461112\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eETi 250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eCondensing High-Efficiency Gas Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eNatural Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU Input\u003c\/td\u003e\n\u003ctd\u003e250,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Efficiency\u003c\/td\u003e\n\u003ctd\u003e94% Natural Gas \/ 96% Propane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Exchanger\u003c\/td\u003e\n\u003ctd\u003eTitanium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e25\" L x 25\" W x 32\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e270 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmissions\u003c\/td\u003e\n\u003ctd\u003eLow NOx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Compatibility\u003c\/td\u003e\n\u003ctd\u003eNo Chemistry Restrictions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePentair 461112 ETi Pool \u0026amp; Spa Heater\u003c\/li\u003e\n\u003cli\u003eTitanium heat exchanger assembly\u003c\/li\u003e\n\u003cli\u003eDigital control interface\u003c\/li\u003e\n\u003cli\u003eInstallation and operation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe \u003cstrong\u003ePentair 461112 ETi\u003c\/strong\u003e is the efficiency play in gas heating - 94% thermal efficiency and a titanium exchanger with no water chemistry limits, ideal for saltwater pools run hard.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLearn more at Pentair:\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/en-us\/products\/residential\/pool-spa-equipment\/pool-heaters.html\"\u003ehttps:\/\/www.pentair.com\/en-us\/products\/residential\/pool-spa-equipment\/pool-heaters.html\u003c\/a\u003e\u003c\/p\u003e\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48867139911929,"sku":"461112","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/1810\/9689\/files\/461112_600x600_468952ed-3725-48a2-8dd0-0acc5a80baed.png?v=1787271701","url":"https:\/\/poolave.com\/products\/pentair-461112-eti-pool-and-spa-heater-250k-btu","provider":"PoolAve ","version":"1.0","type":"link"}