{"product_id":"navien-nhw700-199ae-outdoor-tankless-water-heater-199000-btu-non-condensing-gas-water-heater","title":"Navien NHW700-199AE Outdoor Tankless Water Heater – 199,000 BTU Non-Condensing Gas Water Heater","description":"\u003cp class=\"bx-us-note\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e this is the US version of this product, supplied with US gas fittings. A UK-compatible regulator and hose are needed to use it with UK propane or butane bottles, and we recommend having the connection checked by a Gas Safe registered engineer. Manufacturer warranty terms may differ for US-version products.\u003c\/p\u003e\n\u003cp\u003eNever run out of hot water again. The \u003cstrong\u003eNavien NHW700-199AE Outdoor Tankless Water Heater\u003c\/strong\u003e heats water on demand, saving space and energy compared with a tank water heater.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNavien NHW700-199AE – Non-Condensing Tankless Water Heater – Outdoor, 199,000 BTU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Navien NHW700-199AE is a high-capacity, non-condensing tankless water heater built for outdoor residential applications. Designed to operate efficiently in a variety of climates, it delivers up to 199,900 BTU per hour and supports a maximum flow rate of 9.5 gallons (36 L) per minute at a 35°F (2°C) rise. The unit is equipped with Navien’s patented NaviTechTM stainless steel heat exchanger and a stainless steel Low NOx burner for durability and cleaner combustion. With a Uniform Energy Factor (UEF) of 0.81, the NHW700-199AE offers energy-efficient performance in a compact footprint.\u003c\/p\u003e\n\u003cp\u003eThis model comes with a built-in recirculation pump and buffer tank, helping to reduce hot water wait times and eliminate cold water bursts during demand cycles. It includes a built-in control panel for temperature adjustment and diagnostics, and is factory-configured for natural gas with an optional field conversion kit for propane. Safety features such as a flame rod, APS, high-limit temperature switch, and vent installation detector are integrated for peace of mind. The unit installs outdoors with NaviVentTM 3″ (7.6 cm) x 5″ (13 cm) concentric venting and requires no additional venting accessories.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOutdoor installation design\u003c\/li\u003e\n\u003cli\u003e199,900 BTU\/h input\u003c\/li\u003e\n\u003cli\u003eUEF rating of 0.81\u003c\/li\u003e\n\u003cli\u003e9.5 GPM at 35°F (2°C) rise, 7.4 GPM at 45°F (7°C) rise\u003c\/li\u003e\n\u003cli\u003ePatented NaviTechTM stainless steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eStainless steel Low NOx burner (20 ppm)\u003c\/li\u003e\n\u003cli\u003eBuilt-in recirculation pump and buffer tank\u003c\/li\u003e\n\u003cli\u003eElectronic ignition system\u003c\/li\u003e\n\u003cli\u003eBuilt-in control panel for temperature setting and diagnostics\u003c\/li\u003e\n\u003cli\u003eFactory set for natural gas, field convertible to propane\u003c\/li\u003e\n\u003cli\u003eVents using NaviVentTM concentric 3″ (7.6 cm) x 5″ (13 cm) system\u003c\/li\u003e\n\u003cli\u003eSafety features: flame rod, air pressure sensor, vent installation detector, water temp high limit switch, power surge fuse\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eResidential outdoor water heating\u003c\/li\u003e\n\u003cli\u003eHomes needing high hot water output with minimal indoor space use\u003c\/li\u003e\n\u003cli\u003eSystems requiring reduced hot water wait time\u003c\/li\u003e\n\u003cli\u003eInstallations in areas with natural gas or propane fuel availability\u003c\/li\u003e\n\u003cli\u003eRegions requiring Low NOx emissions compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eExclusive NaviTech stainless steel heat exchanger\u003c\/strong\u003e\u003cbr\u003eThe NWH-A series non-condensing tankless water heaters feature a stainless steel heat exchanger to deliver unmatched durability and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComfortFlow built-in recirculation system\u003c\/strong\u003e\u003cbr\u003eThe patented ComfortFlow system is the first to include a buffer tank, recirculation pump and fine-tuned controls into a tankless water heater.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNHW-A built-in control panel\u003c\/strong\u003e\u003cbr\u003eAllows you to adjust water temperature, operation status and troubleshooting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-in Air Pressure Sensor (APS)\u003c\/strong\u003e \u003cbr\u003eMonitors vent system for blockage, automatically compensates for range of vent lengths, helps maintain proper air\/gas ratio during operation, and ensures consistent hot water output during changing conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePatented NaviTech stainless steel gas burner\u003c\/strong\u003e\u003cbr\u003eDesigned and manufactured by Navien to burn gas at higher efficiency than other system on the market.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecirculation control built into circuit board\u003c\/strong\u003e\u003cbr\u003eEnsures proper system setup, and reduces the need for additional components, saving installation time and cost.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-in Water Adjustment Valve (WAV) \u0026amp; Mixing Valve\u003c\/strong\u003e\u003cbr\u003eControl flow to maintain setpoint and stabilize water temperature during flow changes.\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":59048982151512,"sku":"BUS-0021","price":946.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/7027\/5928\/files\/navien_nhw700-199ae-ng.jpg?v=1793898995","url":"https:\/\/elvax.shop\/products\/navien-nhw700-199ae-outdoor-tankless-water-heater-199000-btu-non-condensing-gas-water-heater","provider":"Elvax","version":"1.0","type":"link"}