{"product_id":"reznor-udx-125000-btu-propane-unit-heater","title":"Reznor UDX 125,000 BTU Propane Unit Heater - NUDX125,N1036538R","description":"\u003ch2\u003eReznor UDX 125,000 BTU Propane Unit Heater - NUDX125,N1036538R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-end=\"305\" data-start=\"27\" data-section-id=\"14fkrfa\"\u003e\n\u003cstrong data-end=\"67\" data-start=\"29\"\u003ePowerful mid‑range propane heating\u003c\/strong\u003e\u003cbr data-end=\"70\" data-start=\"67\"\u003eWith \u003cstrong data-end=\"107\" data-start=\"77\"\u003e125,000 BTU and ~83 % AFUE\u003c\/strong\u003e, this propane UDX heater delivers \u003cstrong data-is-only-node=\"\" data-end=\"173\" data-start=\"142\"\u003erobust, cost‑effective heat\u003c\/strong\u003e for \u003cstrong data-end=\"235\" data-start=\"178\"\u003elarge garages, workshops, and light‑commercial spaces\u003c\/strong\u003e where smaller units struggle. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"556\" data-start=\"307\" data-section-id=\"1him90o\"\u003e\n\u003cstrong data-end=\"344\" data-start=\"309\"\u003eBuilt for long‑term reliability\u003c\/strong\u003e\u003cbr data-end=\"347\" data-start=\"344\"\u003eThe \u003cstrong data-end=\"416\" data-start=\"353\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e enhances durability and corrosion resistance, boosting service life even in demanding environments. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"764\" data-start=\"558\" data-section-id=\"1k6m1jv\"\u003e\n\u003cstrong data-end=\"594\" data-start=\"560\"\u003eEfficient, power‑vented design\u003c\/strong\u003e\u003cbr data-end=\"597\" data-start=\"594\"\u003e\u003cstrong data-end=\"616\" data-start=\"599\"\u003ePower venting\u003c\/strong\u003e reduces heat lost up the flue and improves overall system efficiency compared with non‑vented alternatives. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1002\" data-start=\"766\" data-section-id=\"1ttjny5\"\u003e\n\u003cstrong data-end=\"797\" data-start=\"768\"\u003eLow noise \u0026amp; solid airflow\u003c\/strong\u003e\u003cbr data-end=\"800\" data-start=\"797\"\u003eThe \u003cstrong data-end=\"848\" data-start=\"806\"\u003evibration‑isolated axial propeller fan\u003c\/strong\u003e keeps operation quieter and provides wide air distribution to help reduce cold spots in large bays or open areas. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1248\" data-start=\"1004\" data-section-id=\"14sbwuz\"\u003e\n\u003cstrong data-end=\"1035\" data-start=\"1006\"\u003eService‑friendly features\u003c\/strong\u003e\u003cbr data-end=\"1038\" data-start=\"1035\"\u003eBuilt‑in \u003cstrong data-end=\"1074\" data-start=\"1049\"\u003e7‑segment diagnostics\u003c\/strong\u003e, \u003cstrong data-is-only-node=\"\" data-end=\"1101\" data-start=\"1076\"\u003eLED status indicators\u003c\/strong\u003e, and \u003cstrong data-end=\"1135\" data-start=\"1107\"\u003eexternal gas connections\u003c\/strong\u003e simplify maintenance and troubleshooting—cutting service time and costs. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1501\" data-start=\"1250\" data-section-id=\"1benzlk\"\u003e\n\u003cstrong data-end=\"1280\" data-start=\"1252\"\u003eFlexible install options\u003c\/strong\u003e\u003cbr data-end=\"1283\" data-start=\"1280\"\u003eStandard \u003cstrong data-end=\"1331\" data-start=\"1294\"\u003eceiling or wall suspension points\u003c\/strong\u003e make installation adaptable across different layouts, and optional downturn or vertical louvers let you tailor airflow direction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-end=\"349\" data-start=\"108\"\u003e\u003cstrong data-end=\"165\" data-start=\"108\"\u003eQ: What is the heating capacity of the Reznor UDX125?\u003c\/strong\u003e\u003cbr data-end=\"168\" data-start=\"165\"\u003eA: It delivers \u003cstrong data-end=\"215\" data-start=\"183\"\u003e125,000 BTU input (~125 MBH)\u003c\/strong\u003e of powerful heat, perfect for \u003cstrong data-end=\"310\" data-start=\"246\"\u003emedium garages, workshops, warehouses, and commercial spaces\u003c\/strong\u003e. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"537\" data-start=\"351\"\u003e\u003cstrong data-end=\"394\" data-start=\"351\"\u003eQ: What fuel type does the NUDX125 use?\u003c\/strong\u003e\u003cbr data-end=\"397\" data-start=\"394\"\u003eA: Designed for \u003cstrong data-end=\"429\" data-start=\"413\"\u003epropane (LP)\u003c\/strong\u003e operation with ETL approval for indoor commercial\/industrial heating. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"715\" data-start=\"539\"\u003e\u003cstrong data-end=\"590\" data-start=\"539\"\u003eQ: What efficiency rating does this unit offer?\u003c\/strong\u003e\u003cbr data-end=\"593\" data-start=\"590\"\u003eA: The UDX125 achieves \u003cstrong data-end=\"649\" data-start=\"616\"\u003e~83 % AFUE thermal efficiency\u003c\/strong\u003e, helping reduce fuel costs. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"933\" data-start=\"717\"\u003e\u003cstrong data-end=\"771\" data-start=\"717\"\u003eQ: What heat exchanger technology does it include?\u003c\/strong\u003e\u003cbr data-end=\"774\" data-start=\"771\"\u003eA: It features a \u003cstrong data-end=\"854\" data-start=\"791\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for durability and corrosion resistance. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1105\" data-start=\"935\"\u003e\u003cstrong data-end=\"974\" data-start=\"935\"\u003eQ: Does it require special venting?\u003c\/strong\u003e\u003cbr data-end=\"977\" data-start=\"974\"\u003eA: Yes — it’s \u003cstrong data-end=\"1007\" data-start=\"991\"\u003epower‑vented\u003c\/strong\u003e to eliminate heat loss up the flue and improve performance. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1273\" data-start=\"1107\"\u003e\u003cstrong data-end=\"1147\" data-start=\"1107\"\u003eQ: How does the airflow system work?\u003c\/strong\u003e\u003cbr data-end=\"1150\" data-start=\"1147\"\u003eA: Uses a \u003cstrong data-end=\"1194\" data-start=\"1160\"\u003elow‑static axial propeller fan\u003c\/strong\u003e for efficient and even air distribution. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1431\" data-start=\"1275\"\u003e\u003cstrong data-end=\"1305\" data-start=\"1275\"\u003eQ: Is the operation quiet?\u003c\/strong\u003e\u003cbr data-end=\"1308\" data-start=\"1305\"\u003eA: Built with \u003cstrong data-end=\"1366\" data-start=\"1322\"\u003evibration‑isolated fan and venter motors\u003c\/strong\u003e for \u003cstrong data-end=\"1392\" data-start=\"1371\"\u003elow‑noise heating\u003c\/strong\u003e. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1674\" data-start=\"1433\"\u003e\u003cstrong data-end=\"1477\" data-start=\"1433\"\u003eQ: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-end=\"1480\" data-start=\"1477\"\u003eA: Designed with \u003cstrong data-end=\"1524\" data-start=\"1497\"\u003eexternal gas connection\u003c\/strong\u003e, \u003cstrong data-end=\"1551\" data-start=\"1526\"\u003eLED status indicators\u003c\/strong\u003e, and \u003cstrong data-end=\"1593\" data-start=\"1557\"\u003e2‑ or 4‑point suspension options\u003c\/strong\u003e for simplified installation and servicing. \u003cspan aria-describedby=\"radix-_r_91_\" data-state=\"delayed-open\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-end=\"350\" data-start=\"88\" data-section-id=\"l0ss0d\"\u003e\n\u003cstrong data-end=\"127\" data-start=\"90\"\u003eAnnual heat exchanger inspection:\u003c\/strong\u003e Check the TCORE2® titanium‑stabilized aluminized steel exchanger for soot, rust or cracks and gently clean surface dust — keeping combustion efficiency high and avoiding overheating. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"571\" data-start=\"351\" data-section-id=\"m7gh5q\"\u003e\n\u003cstrong data-end=\"386\" data-start=\"353\"\u003eBurner \u0026amp; flame assembly care:\u003c\/strong\u003e Remove debris from burner tubes and inspect propane flame for stable, mostly blue color — dirty burners reduce efficiency and can cause sooting. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"769\" data-start=\"572\" data-section-id=\"87o5ny\"\u003e\n\u003cstrong data-end=\"615\" data-start=\"574\"\u003eClear venting \u0026amp; combustion air paths:\u003c\/strong\u003e Ensure power‑vent flue and intake are unobstructed to maintain proper draft and safe exhaust of combustion gases. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"980\" data-start=\"770\" data-section-id=\"1xxymxa\"\u003e\n\u003cstrong data-end=\"808\" data-start=\"772\"\u003eFan, blower \u0026amp; motor maintenance:\u003c\/strong\u003e Clean axial propeller fan and motor housing; check for imbalance, worn bearings or loose set screws to prevent airflow restriction. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1195\" data-start=\"981\" data-section-id=\"zap5sr\"\u003e\n\u003cstrong data-end=\"1016\" data-start=\"983\"\u003eElectrical \u0026amp; ignition checks:\u003c\/strong\u003e Tighten wiring and inspect\/clean direct spark ignitor and flame sensor for reliable starts; use LED diagnostics for early fault detection. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1382\" data-start=\"1196\" data-section-id=\"1b3fu5m\"\u003e\n\u003cstrong data-end=\"1235\" data-start=\"1198\"\u003eInspect gas supply \u0026amp; connections:\u003c\/strong\u003e Check propane line fittings for leaks and proper regulator function — address any issues before operation. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1510\" data-start=\"1383\" data-section-id=\"1awnlqw\"\u003e\n\u003cstrong data-end=\"1409\" data-start=\"1385\"\u003eKeep exterior clean:\u003c\/strong\u003e Remove dust and debris from cabinet, louvers and intake screens to support airflow and efficiency.\u003c\/li\u003e\n\u003cli data-end=\"1683\" data-start=\"1511\" data-section-id=\"17syz3h\"\u003e\n\u003cstrong data-end=\"1554\" data-start=\"1513\"\u003eSchedule annual professional service:\u003c\/strong\u003e A certified HVAC technician should test combustion, safety controls, and temperature rise to ensure safe, efficient performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":43530466721866,"sku":"NUDX125,N1036538R","price":1536.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/2387\/2074\/files\/udx-1_10_7e953ec5-66f5-4fcb-aae5-87347bb460c8.jpg?v=1776777793","url":"https:\/\/wen0d6-q0.myshopify.com\/es\/products\/reznor-udx-125000-btu-propane-unit-heater","provider":"Power Gear for Every Journey","version":"1.0","type":"link"}