{"product_id":"pentair-max-e-therm®-200-hd-natural-gas-pool-spa-heater-200k-btu","title":"Pentair Max-E-Therm® 200 HD Natural Gas Pool \u0026 Spa Heater 200K BTU","description":"\u003cp\u003eThe Pentair Max-E-Therm® 200HD is a heavy-duty, 200,000 BTU natural gas heater engineered to provide rapid, reliable warmth for small to medium-sized pools and spa systems. This \"HD\" version is specifically upgraded with a high-performance cupro-nickel heat exchanger, which offers superior resistance to corrosion and erosion compared to standard copper, making it particularly well-suited for pools with salt-chlorine generators or fluctuating water chemistry. The unit features an advanced pre-mixed combustion system that optimizes the air-and-gas mixture for peak efficiency and faster heat-up times, while its \"Low NOx\" certification ensures an environmentally friendly operation. Its signature matte-black enclosure is made of Dura-Glas™—a reinforced, rust-proof composite resin that withstands the harshest weather conditions and corrosive pool chemicals without fading or rusting. An intuitive digital control panel provides precise temperature management and dual thermostats for pool and spa combinations, along with clear self-diagnostic alerts for easy maintenance. Despite its compact, space-saving design that fits easily on crowded equipment pads, the unit is built with an industrial-grade internal firebox and professional plumbing manifolds. The Pentair Max-E-Therm 200HD Natural Gas Heater weighs approximately \u003cb data-path-to-node=\"1\" data-index-in-node=\"1331\"\u003e138 pounds\u003c\/b\u003e, serving as a rugged, high-output, and long-lasting heating solution for modern aquatic environments.\u003c\/p\u003e","brand":"Commercial Pool and Spa Supplies","offers":[{"title":"Default Title","offer_id":53093414371439,"sku":"SR200HD","price":6112.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/3785\/3807\/files\/max_e_therm_202a37e5-a6c4-4075-bcbc-8e8f8314a6df.avif?v=1778770932","url":"https:\/\/commercialpoolandspasupplies.com\/products\/pentair-max-e-therm%c2%ae-200-hd-natural-gas-pool-spa-heater-200k-btu","provider":"Commercial Pool and Spa Supplies ","version":"1.0","type":"link"}