{"product_id":"suburban-mfg-5135a","title":"Suburban Model Number SW4D Water Heater 4 Gallon - S6U5135A","description":"\u003ch2\u003eSuburban Model Number SW4D Water Heater 4 Gallon - S6U5135A\u003c\/h2\u003e\n\u003cp\u003eThe Suburban Advantage line of RV water heaters includes high recovery gas, gas\/electric combination, gas\/electric\/motor aid and tankless, continuous models with sizes and features to match the requirements of almost any RV. Tank capacities include 4, 6, 10, 12 and 16 gallon models and tankless models provide up to 60,000 BTUH of endless hot water. Quality, efficiency, features, service, and selection - for more than 30 years, these have been the gold standard of Suburban water heaters. Take ADVANTAGE of Suburban’s expertise and reliability with longer lasting residential style tank and tankless water heaters.\u003cbr\u003e\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eFeatures An Indoor Mounted Switch Which Controls The Water Heater Ignition And Operation\u003c\/li\u003e\n\u003cli\u003ePorcelain-Lined Steel Tank For Long Life\u003c\/li\u003e\n\u003cli\u003eReplaceable Anode Rod Provides Further Corrosion Protection\u003c\/li\u003e\n\u003cli\u003eFast Recovery Rate\u003c\/li\u003e\n\u003cli\u003eConvenient Exterior LP Gas Line Connection\u003c\/li\u003e\n\u003cli\u003eOne-Piece, Die-Formed Metal Control Housing Protects Controls From The Weather\u003c\/li\u003e\n\u003cli\u003eCopolymer Insulation Jacket Specially Fitted To The Tank To Retain Heat\u003c\/li\u003e\n\u003cli\u003eLimited 2 Year Warranty And Limited 3 Year Tank Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cstyle type=\"text\/css\"\u003e\n.tg  {border-collapse:collapse;border-spacing:0;}\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg .tg-gvcd{background-color:#ffffff;border-color:#000000;color:#000000;text-align:left;vertical-align:top}\n.tg .tg-oevy{background-color:#ffffff;border-color:#000000;color:#000000;font-weight:bold;text-align:left;vertical-align:top}\n.tg .tg-4x00{background-color:#ffffff;border-color:#000000;color:#000000;font-weight:bold;text-align:center;vertical-align:middle}\n.tg .tg-8c31{background-color:#ffffff;border-color:#000000;color:#000000;text-align:left;vertical-align:middle}\n\u003c\/style\u003e\n\u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"tg-4x00\"\u003eType: LP Gas\u003c\/th\u003e\n\u003cth class=\"tg-4x00\"\u003ePart No.\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-oevy\"\u003eModel: SW4D\u003c\/td\u003e\n\u003ctd class=\"tg-gvcd\"\u003e3509A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-oevy\"\u003eCapacity: 4 Gallon\u003c\/td\u003e\n\u003ctd class=\"tg-8c31\"\u003eAir Conditioners\/Window A\/C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-oevy\"\u003eIgnition Type: Direct Spark Ignition\u003c\/td\u003e\n\u003ctd class=\"tg-8c31\"\u003eKEYSTN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-oevy\"\u003eWattage Rating: Not Applicable\u003c\/td\u003e\n\u003ctd class=\"tg-8c31\"\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-oevy\"\u003eBTU Level: 9000 BTU\u003c\/td\u003e\n\u003ctd class=\"tg-8c31\"\u003eY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-oevy\"\u003eWidth: 12-11\/16 Inch\u003c\/td\u003e\n\u003ctd class=\"tg-8c31\"\u003e192487238769\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-oevy\"\u003eHeight: 12-11\/16 Inch\u003c\/td\u003e\n\u003ctd class=\"tg-8c31\"\u003eCN-China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-oevy\"\u003eDepth: 16-3\/16 Inch\u003c\/td\u003e\n\u003ctd class=\"tg-8c31\"\u003eIndoor Noise Level dBA (Hi\/Med\/Lo): 61\/57\/54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"80\" data-end=\"306\"\u003e\n\u003cp data-start=\"82\" data-end=\"306\"\u003e\u003cstrong data-start=\"82\" data-end=\"115\"\u003eCompact RV‑Focused Hot Water:\u003c\/strong\u003e Designed for small RVs and campers with a \u003cstrong data-start=\"158\" data-end=\"179\"\u003e4‑gallon capacity\u003c\/strong\u003e and \u003cstrong data-start=\"184\" data-end=\"210\"\u003e9,000 BTU LP gas input\u003c\/strong\u003e, this unit delivers reliable hot water in tight spaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"307\" data-end=\"507\"\u003e\n\u003cp data-start=\"309\" data-end=\"507\"\u003e\u003cstrong data-start=\"309\" data-end=\"341\"\u003eDirect Spark Ignition (DSI):\u003c\/strong\u003e Experts favor the \u003cstrong data-start=\"360\" data-end=\"374\"\u003eDSI system\u003c\/strong\u003e for quick, dependable starts without a standing pilot light — ideal for mobile environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"508\" data-end=\"718\"\u003e\n\u003cp data-start=\"510\" data-end=\"718\"\u003e\u003cstrong data-start=\"510\" data-end=\"535\"\u003eDurable Construction:\u003c\/strong\u003e \u003cstrong data-start=\"536\" data-end=\"566\"\u003ePorcelain‑lined steel tank\u003c\/strong\u003e with a \u003cstrong data-start=\"574\" data-end=\"599\"\u003ereplaceable anode rod\u003c\/strong\u003e resists corrosion and extends service life — a benefit for frequent travelers. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"719\" data-end=\"898\"\u003e\n\u003cp data-start=\"721\" data-end=\"898\"\u003e\u003cstrong data-start=\"721\" data-end=\"749\"\u003eEfficient Heat Transfer:\u003c\/strong\u003e Suburban’s flue design maximizes combustion heat transfer to the tank, improving overall heating efficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"899\" data-end=\"1087\"\u003e\n\u003cp data-start=\"901\" data-end=\"1087\"\u003e\u003cstrong data-start=\"901\" data-end=\"919\"\u003eFast Recovery:\u003c\/strong\u003e Gas‑only operation offers a respectable hot water \u003cstrong data-start=\"970\" data-end=\"998\"\u003erecovery rate (~7.6 GPH)\u003c\/strong\u003e for its size, keeping showers and cleanup quick\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"284\" data-end=\"503\"\u003e\u003cstrong data-start=\"284\" data-end=\"328\"\u003eQ: What is the Suburban SW4D (S6U5135A)?\u003c\/strong\u003e\u003cbr data-start=\"328\" data-end=\"331\"\u003e\u003cstrong data-start=\"331\" data-end=\"337\"\u003eA:\u003c\/strong\u003e A compact 4‑gallon LP gas water heater for RVs and campers with \u003cstrong data-start=\"402\" data-end=\"433\"\u003eDirect Spark Ignition (DSI)\u003c\/strong\u003e for easy, match‑free start‑ups. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"505\" data-end=\"682\"\u003e\u003cstrong data-start=\"505\" data-end=\"536\"\u003eQ: How is the water heated?\u003c\/strong\u003e\u003cbr data-start=\"536\" data-end=\"539\"\u003e\u003cstrong data-start=\"539\" data-end=\"545\"\u003eA:\u003c\/strong\u003e It uses \u003cstrong data-start=\"554\" data-end=\"579\"\u003e9,000 BTU propane gas\u003c\/strong\u003e and a direct spark ignition system to rapidly heat stored water. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"684\" data-end=\"931\"\u003e\u003cstrong data-start=\"684\" data-end=\"717\"\u003eQ: What are the key features?\u003c\/strong\u003e\u003cbr data-start=\"717\" data-end=\"720\"\u003e\u003cstrong data-start=\"720\" data-end=\"726\"\u003eA:\u003c\/strong\u003e Porcelain‑lined steel tank for durability, replaceable anode rod to reduce corrosion, efficient flue tube for faster heating, and compact build for small RV cut‑outs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"933\" data-end=\"1096\"\u003e\u003cstrong data-start=\"933\" data-end=\"964\"\u003eQ: What are the dimensions?\u003c\/strong\u003e\u003cbr data-start=\"964\" data-end=\"967\"\u003e\u003cstrong data-start=\"967\" data-end=\"973\"\u003eA:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"982\" data-end=\"1016\"\u003e12.69″ W × 12.69″ H × 16.13″ D\u003c\/strong\u003e — fits standard RV water heater openings. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1098\" data-end=\"1291\"\u003e\u003cstrong data-start=\"1098\" data-end=\"1133\"\u003eQ: Does it include accessories?\u003c\/strong\u003e\u003cbr data-start=\"1133\" data-end=\"1136\"\u003e\u003cstrong data-start=\"1136\" data-end=\"1142\"\u003eA:\u003c\/strong\u003e The unit typically \u003cstrong data-start=\"1162\" data-end=\"1234\"\u003edoes not include an access door, on\/off switch, or mounting hardware\u003c\/strong\u003e — sold separately. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1293\" data-end=\"1461\"\u003e\u003cstrong data-start=\"1293\" data-end=\"1326\"\u003eQ: What is the recovery rate?\u003c\/strong\u003e\u003cbr data-start=\"1326\" data-end=\"1329\"\u003e\u003cstrong data-start=\"1329\" data-end=\"1335\"\u003eA:\u003c\/strong\u003e Heats at an efficient rate (approx. \u003cstrong data-start=\"1372\" data-end=\"1388\"\u003e7.6 gal\/hour\u003c\/strong\u003e) for quick hot water availability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1463\" data-end=\"1620\"\u003e\u003cstrong data-start=\"1463\" data-end=\"1494\"\u003eQ: Warranty and durability?\u003c\/strong\u003e\u003cbr data-start=\"1494\" data-end=\"1497\"\u003e\u003cstrong data-start=\"1497\" data-end=\"1503\"\u003eA:\u003c\/strong\u003e Comes with a \u003cstrong data-start=\"1517\" data-end=\"1544\"\u003e2‑year limited warranty\u003c\/strong\u003e and \u003cstrong data-start=\"1549\" data-end=\"1581\"\u003e3‑year limited tank warranty\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1622\" data-end=\"1821\"\u003e\u003cstrong data-start=\"1622\" data-end=\"1644\"\u003eQ: Ideal for whom?\u003c\/strong\u003e\u003cbr data-start=\"1644\" data-end=\"1647\"\u003e\u003cstrong data-start=\"1647\" data-end=\"1653\"\u003eA:\u003c\/strong\u003e RV, camper, and trailer owners who want a \u003cstrong data-start=\"1696\" data-end=\"1744\"\u003ecompact, dependable propane gas water heater\u003c\/strong\u003e for weekend trips or full‑time travel. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"97\" data-end=\"270\"\u003e\n\u003cp data-start=\"99\" data-end=\"270\"\u003e\u003cstrong data-start=\"99\" data-end=\"124\"\u003eAnnual Flush \u0026amp; Drain:\u003c\/strong\u003e Drain and flush the tank yearly (turn off gas and water first) to remove sediment and improve efficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"271\" data-end=\"469\"\u003e\n\u003cp data-start=\"273\" data-end=\"469\"\u003e\u003cstrong data-start=\"273\" data-end=\"305\"\u003eInspect \u0026amp; Replace Anode Rod:\u003c\/strong\u003e Check the sacrificial anode rod yearly and replace if heavily corroded to protect the porcelain‑lined steel tank from rust. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"470\" data-end=\"654\"\u003e\n\u003cp data-start=\"472\" data-end=\"654\"\u003e\u003cstrong data-start=\"472\" data-end=\"515\"\u003eCheck Pressure‑Temperature (P\u0026amp;T) Valve:\u003c\/strong\u003e Test the pressure relief valve annually to ensure it opens freely and reseals properly for safety. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"655\" data-end=\"853\"\u003e\n\u003cp data-start=\"657\" data-end=\"853\"\u003e\u003cstrong data-start=\"657\" data-end=\"681\"\u003eClean Burner \u0026amp; Vent:\u003c\/strong\u003e Keep the combustion chamber and vent openings clear of debris, insect nests, and obstruction to ensure proper airflow and ignition. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"854\" data-end=\"1026\"\u003e\n\u003cp data-start=\"856\" data-end=\"1026\"\u003e\u003cstrong data-start=\"856\" data-end=\"876\"\u003eLeak Inspection:\u003c\/strong\u003e Regularly check all LP gas and water connections for leaks; tighten or repair promptly with soapy water test. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1027\" data-end=\"1191\"\u003e\n\u003cp data-start=\"1029\" data-end=\"1191\"\u003e\u003cstrong data-start=\"1029\" data-end=\"1055\"\u003eSafety Before Service:\u003c\/strong\u003e Always turn off LP gas before servicing; never operate without water in the tank to avoid damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Suburban","offers":[{"title":"Default Title","offer_id":45448188428348,"sku":"S6U5135A","price":362.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/6151\/5324\/files\/suburban-mfg-model-number-sw4d-water-heater-4-gallon-5135a-682056.jpg?v=1779943320","url":"https:\/\/e-powergo.com\/products\/suburban-mfg-5135a","provider":"Set Up Your Ultimate Retreat","version":"1.0","type":"link"}