{"product_id":"mrcool-199-000-btu-indoor-gas-tankless-water-heater","title":"MRCOOL 199,000 BTU Indoor Gas Tankless Water Heater","description":"\u003cp\u003eThe MRCOOL Tankless Water Heater heats water only when a tap opens, firing a premixed gas burner of up to 199,000 BTU\/h through stainless steel heat exchangers. MRCOOL rates it at about 8.45 GPM with a 45°F temperature rise, enough for up to four bathrooms running together. It comes as separate natural gas and liquid propane models.\u003c\/p\u003e\u003cp\u003eIt suits homes replacing a storage tank that runs out during busy mornings, and frees the floor space a tank takes up because it hangs on the wall. Installation is by a licensed plumbing or gas contractor. That is the MRCOOL Tankless Water Heater.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eUp to 199,000 BTU\/h\u003c\/strong\u003e\u003cbr\u003eThe burner modulates between a 20,000 BTU\/h minimum and 199,000 BTU\/h, matching gas input to the hot water being drawn.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRated Flow at Real Rises\u003c\/strong\u003e\u003cbr\u003eMRCOOL rates about 11.12 GPM at a 35°F rise and 8.45 GPM at a 45°F rise. Heating starts from a minimum flow of 0.5 GPM.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStainless Steel Heat Exchangers\u003c\/strong\u003e\u003cbr\u003ePrimary and secondary heat exchangers in lead-free 304 stainless steel resist corrosion and recover extra heat from the exhaust.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLow-NOx Premixed Burner\u003c\/strong\u003e\u003cbr\u003eA premixed burner with a variable-speed BLDC combustion fan keeps the flame stable, and the unit meets SCAQMD standards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSelf-Adjusting Temperature Control\u003c\/strong\u003e\u003cbr\u003eAn electronic thermostatic control board regulates gas flow to hold the set point between 95°F and 140°F. It ships set to 120°F.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBuilt-In Freeze Protection\u003c\/strong\u003e\u003cbr\u003eA ceramic heater switches on at 41°F to protect the internal waterways, as long as the unit stays powered.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFront Display Panel\u003c\/strong\u003e\u003cbr\u003eThe touch display shows the set temperature, error codes and operating data that help the owner and the service technician.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating Capacity:\u003c\/strong\u003e 199,000 BTU\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Indoor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition:\u003c\/strong\u003e Electric Ignition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eENERGY STAR:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCSA Listed:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 17.33\"W x 11.03\"D x 26.78\"H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 68.34 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNatural gas\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e MHWH199NCNU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel:\u003c\/strong\u003e Natural Gas\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eLiquid propane\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e MHWH199NCLU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel:\u003c\/strong\u003e Propane\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMRCOOL tankless gas water heater (natural gas or liquid propane model, per the variant chosen)\u003c\/li\u003e\n\u003cli\u003eUpper and lower wall-mounting brackets with a wall-mounting screw kit\u003c\/li\u003e\n\u003cli\u003eGas shut-off valve\u003c\/li\u003e\n\u003cli\u003eInlet valve assembly\u003c\/li\u003e\n\u003cli\u003eBird screens (2)\u003c\/li\u003e\n\u003cli\u003eFlue gas flow limiting ring (for 3\" vent pipe only)\u003c\/li\u003e\n\u003cli\u003eFixing kit with O-rings, igniter gasket and sandpaper\u003c\/li\u003e\n\u003cli\u003eUser's and installation manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eProfessional installation required.\u003c\/strong\u003e Gas appliances must be installed by a licensed HVAC or gas contractor, following MRCOOL's installation manual, the fuel-gas and venting codes that apply where you live, and any permit requirements. MRCOOL's limited warranty applies only to units installed that way, and it does not cover installation labor.\u003c\/p\u003e\u003cp\u003eWall-mounted indoors on the supplied brackets, in a fire retardant location with at least 6\" of clearance at the sides, 0\" at the back and 12\" at the top from combustible construction. Gas, cold water inlet and hot water outlet connections are 3\/4\" NPT and the condensate drain is 1\/2\" NPT. Venting is direct vent in 2\" or 3\" PVC, CPVC, approved polypropylene or concentric pipe.\u003c\/p\u003e\u003cp\u003eNatural gas models need 3.5 to 10.5 in. WC supply pressure and propane models 8 to 13 in. WC. Water pressure must stay between 15 and 150 psi. The unit plugs into a 120V, 60Hz supply, and its altitude setting is adjusted at the control panel where needed.\u003c\/p\u003e\u003ch3\u003eResources\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0893\/4037\/9501\/files\/mrcool-mc-twh-br-en-01.pdf?v=1791113588\" target=\"_blank\" rel=\"noopener\"\u003eBrochure (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0893\/4037\/9501\/files\/mrcool-mc-twh-1-im-en-01.pdf?v=1791113594\" target=\"_blank\" rel=\"noopener\"\u003eInstallation \u0026amp; user manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0893\/4037\/9501\/files\/mrcool-mc-twh-wr-en-01.pdf?v=1791113597\" target=\"_blank\" rel=\"noopener\"\u003eWarranty (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShipping, Returns \u0026amp; Warranty\u003c\/h3\u003e\u003cdiv data-design-root=\"1\" data-mcs-srw=\"v2\" style=\"max-width:980px;border-bottom:1px solid #e6e9ec\"\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 18px;padding:14px 4px;border-top:1px solid #e6e9ec\"\u003e\n\u003cdiv style=\"flex:1 1 170px;max-width:220px;display:flex;align-items:center;gap:10px;align-self:flex-start\"\u003e\n\u003cspan style=\"display:inline-flex;align-items:center;justify-content:center;flex:none;width:30px;height:30px;border-radius:50%;background:#e6f1fc\"\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#0f74c4\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"\u003e\u003cpath d=\"M1 3h15v13H1z\"\u003e\u003c\/path\u003e\u003cpath d=\"M16 8h4l3 3v5h-7z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"5.5\" cy=\"18.5\" r=\"2.5\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"18.5\" cy=\"18.5\" r=\"2.5\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan style=\"font-family:inherit;font-size:13px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:#0d2c4a\"\u003eShipping\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:999 1 280px\"\u003e\u003cp style=\"margin:0 0 8px;font-family:inherit;font-size:15px;line-height:1.55;color:#181818\"\u003eShips to addresses in the United States only. Shipping cost is calculated at checkout.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 18px;padding:14px 4px;border-top:1px solid #e6e9ec\"\u003e\n\u003cdiv style=\"flex:1 1 170px;max-width:220px;display:flex;align-items:center;gap:10px;align-self:flex-start\"\u003e\n\u003cspan style=\"display:inline-flex;align-items:center;justify-content:center;flex:none;width:30px;height:30px;border-radius:50%;background:#e6f1fc\"\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#0f74c4\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"\u003e\u003cpath d=\"M10.29 3.86 1.82 18a2 2 0 0 0 1.71 3h16.94a2 2 0 0 0 1.71-3L13.71 3.86a2 2 0 0 0-3.42 0z\"\u003e\u003c\/path\u003e\u003cline x1=\"12\" y1=\"9\" x2=\"12\" y2=\"13\"\u003e\u003c\/line\u003e\u003cline x1=\"12\" y1=\"17\" x2=\"12.01\" y2=\"17\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan style=\"font-family:inherit;font-size:13px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:#0d2c4a\"\u003eDamaged in delivery\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:999 1 280px\"\u003e\u003cp style=\"margin:0 0 8px;font-family:inherit;font-size:15px;line-height:1.55;color:#181818\"\u003eInspect the packaging and the product before you sign. Note any damage or shortage on the delivery receipt, then email photos to support@mycleansupplies.com within 48 hours of delivery so the freight claim can be filed. Damage reported after 48 hours can't be claimed.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 18px;padding:14px 4px;border-top:1px solid #e6e9ec\"\u003e\n\u003cdiv style=\"flex:1 1 170px;max-width:220px;display:flex;align-items:center;gap:10px;align-self:flex-start\"\u003e\n\u003cspan style=\"display:inline-flex;align-items:center;justify-content:center;flex:none;width:30px;height:30px;border-radius:50%;background:#e6f1fc\"\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#0f74c4\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"\u003e\u003cpolyline points=\"1 4 1 10 7 10\"\u003e\u003c\/polyline\u003e\u003cpath d=\"M3.51 15a9 9 0 1 0 2.13-9.36L1 10\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan style=\"font-family:inherit;font-size:13px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:#0d2c4a\"\u003eReturns\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:999 1 280px\"\u003e\u003cp style=\"margin:0 0 8px;font-family:inherit;font-size:15px;line-height:1.55;color:#181818\"\u003eMRCOOL handles returns through the store you bought from, so your return comes to us. Unopened, unused MRCOOL equipment can be returned within 21 days of delivery with a return authorization from us. You pay the return shipping, and a restocking fee of up to 20% may be deducted along with payment processing fees. Opened, installed or used equipment and special-order items can't be returned.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 18px;padding:14px 4px;border-top:1px solid #e6e9ec\"\u003e\n\u003cdiv style=\"flex:1 1 170px;max-width:220px;display:flex;align-items:center;gap:10px;align-self:flex-start\"\u003e\n\u003cspan style=\"display:inline-flex;align-items:center;justify-content:center;flex:none;width:30px;height:30px;border-radius:50%;background:#e6f1fc\"\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#0f74c4\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"\u003e\u003cpath d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"9 12 11 14 15 10\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan style=\"font-family:inherit;font-size:13px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:#0d2c4a\"\u003eWarranty\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:999 1 280px\"\u003e\n\u003cp style=\"margin:0 0 8px;font-family:inherit;font-size:15px;line-height:1.55;color:#181818\"\u003eMRCOOL warrants the tankless water heater to the original end user for 15 years on the heat exchanger, 5 years on all parts and 5 years of limited labor, with the first year of labor the installing company's responsibility. The warranty is non-transferable and applies only to units bought from an authorized dealer and installed to all applicable codes and licensing requirements. Full terms, registration steps and exclusions are in the MRCOOL warranty document under Resources.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px;font-family:inherit;font-size:15px;line-height:1.55;color:#181818\"\u003e\u003cstrong\u003eWarranty claims.\u003c\/strong\u003e MRCOOL handles warranty claims directly through support.mrcool.com or (270) 366-0457. Some MRCOOL warranties cover the original purchaser only. Systems that aren't DIY need a valid installation invoice to open a claim.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003ch3\u003eAbout MRCOOL\u003c\/h3\u003e\u003cp\u003eMRCOOL designs heating, cooling and water-heating equipment from its home base in Hickory, Kentucky. The range runs from DIY ductless mini-splits, built around MRCOOL's patented pre-charged Quick Connect line sets, through contractor-installed mini-splits, central split systems, packaged units and gas furnaces, to HeatWise water heaters and CoolBlade HVLS fans for warehouses and shops.\u003c\/p\u003e\u003cp\u003eThe MRCOOL Tankless Water Heater is the gas-fired, on-demand member of MRCOOL's water heating range, sold as separate natural gas and liquid propane models. Homes that prefer a storage tank on electric power can look at MRCOOL's HeatWise electric tank water heaters instead. The tankless unit stands on its own and does not pair with MRCOOL's heating and cooling equipment.\u003c\/p\u003e","brand":"MRCOOL","offers":[{"title":"Natural gas","offer_id":67613005349229,"sku":"MHWH199NCNU","price":1529.0,"currency_code":"USD","in_stock":true},{"title":"Liquid propane","offer_id":67613005381997,"sku":"MHWH199NCLU","price":1529.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/4037\/9501\/files\/mrcool-199-000-btu-indoor-gas-tankless-water-heater-front-01_69eeccf0-f5aa-44e1-8f99-b6e8eb0385ab.jpg?v=1791119378","url":"https:\/\/mycleansupplies.com\/products\/mrcool-199-000-btu-indoor-gas-tankless-water-heater","provider":"My Clean Supplies","version":"1.0","type":"link"}