{"product_id":"suburban-525028-sail-switch-furnace-low-air-flow-switch-replaces-233100-nt-series","title":"Suburban 525028 Sail Switch – Furnace Low Air Flow Switch (Replaces 233100, NT Series)","description":"\u003ch2 data-section-id=\"53drpp\" data-start=\"260\" data-end=\"281\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"282\" data-end=\"566\"\u003eThe \u003cstrong data-start=\"286\" data-end=\"317\"\u003eSuburban 525028 Sail Switch\u003c\/strong\u003e (formerly part \u003cstrong data-start=\"333\" data-end=\"343\"\u003e233100\u003c\/strong\u003e) is a critical safety component designed for \u003cstrong data-start=\"389\" data-end=\"423\"\u003eSuburban NT series RV furnaces\u003c\/strong\u003e. This low air flow switch ensures that the blower is moving sufficient air before allowing the furnace to ignite, preventing unsafe operation.\u003c\/p\u003e\n\u003cp data-start=\"568\" data-end=\"784\"\u003eIf your furnace blower runs but the burner will not ignite, the sail switch is one of the \u003cstrong data-start=\"658\" data-end=\"688\"\u003emost common failure points\u003c\/strong\u003e. Replacing a faulty sail switch can quickly restore proper furnace operation and reliable heat.\u003c\/p\u003e\n\u003chr data-start=\"786\" data-end=\"789\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"791\" data-end=\"808\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"809\" data-end=\"1222\"\u003e\n\u003cli data-section-id=\"1ryvpc5\" data-start=\"809\" data-end=\"875\"\u003eReplaces \u003cstrong data-start=\"820\" data-end=\"844\"\u003eSuburban part 233100\u003c\/strong\u003e (updated part number 525028)\u003c\/li\u003e\n\u003cli data-section-id=\"3k42dw\" data-start=\"876\" data-end=\"924\"\u003eDesigned for \u003cstrong data-start=\"891\" data-end=\"922\"\u003eSuburban NT series furnaces\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16o315q\" data-start=\"925\" data-end=\"969\"\u003eLow air flow safety switch (sail switch)\u003c\/li\u003e\n\u003cli data-section-id=\"tnk1hr\" data-start=\"970\" data-end=\"1012\"\u003eEnsures proper airflow before ignition\u003c\/li\u003e\n\u003cli data-section-id=\"gfghxh\" data-start=\"1013\" data-end=\"1068\"\u003eHelps prevent ignition failure and unsafe operation\u003c\/li\u003e\n\u003cli data-section-id=\"sza7hf\" data-start=\"1069\" data-end=\"1120\"\u003eCommon fix for “blower runs but no heat” issues\u003c\/li\u003e\n\u003cli data-section-id=\"e48szj\" data-start=\"1121\" data-end=\"1175\"\u003eDirect OEM replacement for proper fit and function\u003c\/li\u003e\n\u003cli data-section-id=\"tkyouu\" data-start=\"1176\" data-end=\"1222\"\u003eDurable construction for long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1224\" data-end=\"1227\"\u003e\n\u003ch2 data-section-id=\"1qhk4i3\" data-start=\"1229\" data-end=\"1248\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1249\" data-end=\"1441\"\u003e\n\u003cli data-section-id=\"1f1ifqm\" data-start=\"1249\" data-end=\"1272\"\u003ePart Number: 525028\u003c\/li\u003e\n\u003cli data-section-id=\"4winfy\" data-start=\"1273\" data-end=\"1293\"\u003eReplaces: 233100\u003c\/li\u003e\n\u003cli data-section-id=\"pflcp1\" data-start=\"1294\" data-end=\"1345\"\u003eProduct Type: Sail switch \/ low air flow switch\u003c\/li\u003e\n\u003cli data-section-id=\"17sp7x\" data-start=\"1346\" data-end=\"1396\"\u003eFunction: Airflow verification before ignition\u003c\/li\u003e\n\u003cli data-section-id=\"ify82k\" data-start=\"1397\" data-end=\"1441\"\u003eApplication: Suburban NT series furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1443\" data-end=\"1446\"\u003e\n\u003ch2 data-section-id=\"yzynuf\" data-start=\"1448\" data-end=\"1478\"\u003eCompatible Furnace Models\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1mqc26h\" data-start=\"1480\" data-end=\"1504\"\u003eSuburban NT Series\u003c\/h3\u003e\n\u003cul data-start=\"1505\" data-end=\"1623\"\u003e\n\u003cli data-section-id=\"e1b59r\" data-start=\"1505\" data-end=\"1515\"\u003eNT-12S\u003c\/li\u003e\n\u003cli data-section-id=\"e182cr\" data-start=\"1516\" data-end=\"1526\"\u003eNT-16S\u003c\/li\u003e\n\u003cli data-section-id=\"dz6w4u\" data-start=\"1527\" data-end=\"1537\"\u003eNT-20S\u003c\/li\u003e\n\u003cli data-section-id=\"110h56y\" data-start=\"1538\" data-end=\"1549\"\u003eNT-12SE\u003c\/li\u003e\n\u003cli data-section-id=\"10xnnny\" data-start=\"1550\" data-end=\"1561\"\u003eNT-16SE\u003c\/li\u003e\n\u003cli data-section-id=\"z2mb6z\" data-start=\"1562\" data-end=\"1573\"\u003eNT-20SE\u003c\/li\u003e\n\u003cli data-section-id=\"10xnxqy\" data-start=\"1574\" data-end=\"1585\"\u003eNT-16SQ\u003c\/li\u003e\n\u003cli data-section-id=\"z2mrzz\" data-start=\"1586\" data-end=\"1597\"\u003eNT-20SQ\u003c\/li\u003e\n\u003cli data-section-id=\"bbpwyn\" data-start=\"1598\" data-end=\"1610\"\u003eNT-16SEQ\u003c\/li\u003e\n\u003cli data-section-id=\"kwoh96\" data-start=\"1611\" data-end=\"1623\"\u003eNT-20SEQ\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1625\" data-end=\"1628\"\u003e\n\u003ch2 data-section-id=\"r0ub25\" data-start=\"1630\" data-end=\"1663\"\u003eImportant Compatibility Note\u003c\/h2\u003e\n\u003cul data-start=\"1664\" data-end=\"1814\"\u003e\n\u003cli data-section-id=\"949k8c\" data-start=\"1664\" data-end=\"1725\"\u003eDesigned specifically for \u003cstrong data-start=\"1692\" data-end=\"1723\"\u003eSuburban NT series furnaces\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nhx97i\" data-start=\"1726\" data-end=\"1771\"\u003eVerify your furnace model before ordering\u003c\/li\u003e\n\u003cli data-section-id=\"si119o\" data-start=\"1772\" data-end=\"1814\"\u003eNot compatible with SF series furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1816\" data-end=\"1819\"\u003e\n\u003ch2 data-section-id=\"v3w05w\" data-start=\"1821\" data-end=\"1866\"\u003eWhen Should You Replace the Sail Switch?\u003c\/h2\u003e\n\u003cp data-start=\"1867\" data-end=\"1921\"\u003eYou may need the 525028 sail switch if your furnace:\u003c\/p\u003e\n\u003cul data-start=\"1922\" data-end=\"2123\"\u003e\n\u003cli data-section-id=\"5l0agf\" data-start=\"1922\" data-end=\"1972\"\u003eBlower fan runs but the burner will not ignite\u003c\/li\u003e\n\u003cli data-section-id=\"y6bazl\" data-start=\"1973\" data-end=\"2015\"\u003eHas no spark or ignition after startup\u003c\/li\u003e\n\u003cli data-section-id=\"nbm24g\" data-start=\"2016\" data-end=\"2049\"\u003eCycles without producing heat\u003c\/li\u003e\n\u003cli data-section-id=\"1ajyas0\" data-start=\"2050\" data-end=\"2074\"\u003eWorks intermittently\u003c\/li\u003e\n\u003cli data-section-id=\"1wrl47u\" data-start=\"2075\" data-end=\"2123\"\u003eHas debris or dust buildup affecting airflow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2125\" data-end=\"2201\"\u003eThe sail switch is one of the \u003cstrong data-start=\"2155\" data-end=\"2200\"\u003emost commonly replaced furnace components\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"2203\" data-end=\"2206\"\u003e\n\u003ch2 data-section-id=\"dslo8q\" data-start=\"2208\" data-end=\"2234\"\u003eWhy This Part Matters\u003c\/h2\u003e\n\u003cul data-start=\"2235\" data-end=\"2449\"\u003e\n\u003cli data-section-id=\"1rbj8zt\" data-start=\"2235\" data-end=\"2290\"\u003eEnsures safe furnace operation by verifying airflow\u003c\/li\u003e\n\u003cli data-section-id=\"jtqjtn\" data-start=\"2291\" data-end=\"2341\"\u003ePrevents ignition when airflow is insufficient\u003c\/li\u003e\n\u003cli data-section-id=\"2w83e3\" data-start=\"2342\" data-end=\"2386\"\u003eRestores proper furnace startup sequence\u003c\/li\u003e\n\u003cli data-section-id=\"x7u767\" data-start=\"2387\" data-end=\"2449\"\u003eSimple and cost-effective repair for common furnace issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2451\" data-end=\"2454\"\u003e\n\u003ch2 data-section-id=\"x9bttf\" data-start=\"2456\" data-end=\"2464\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"2466\" data-end=\"2540\"\u003e\u003cstrong data-start=\"2466\" data-end=\"2498\"\u003eWhat part does this replace?\u003c\/strong\u003e\u003cbr data-start=\"2498\" data-end=\"2501\"\u003eThis replaces \u003cstrong data-start=\"2515\" data-end=\"2539\"\u003eSuburban part 233100\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2542\" data-end=\"2643\"\u003e\u003cstrong data-start=\"2542\" data-end=\"2573\"\u003eWhat does a sail switch do?\u003c\/strong\u003e\u003cbr data-start=\"2573\" data-end=\"2576\"\u003eIt verifies that the blower is moving air before allowing ignition.\u003c\/p\u003e\n\u003cp data-start=\"2645\" data-end=\"2752\"\u003e\u003cstrong data-start=\"2645\" data-end=\"2679\"\u003eIs this a common failure part?\u003c\/strong\u003e\u003cbr data-start=\"2679\" data-end=\"2682\"\u003eYes, it is one of the most common causes of “blower runs but no heat”.\u003c\/p\u003e\n\u003cp data-start=\"2754\" data-end=\"2854\"\u003e\u003cstrong data-start=\"2754\" data-end=\"2791\"\u003eWill this fit SF series furnaces?\u003c\/strong\u003e\u003cbr data-start=\"2791\" data-end=\"2794\"\u003eNo, this switch is designed for \u003cstrong data-start=\"2826\" data-end=\"2853\"\u003eNT series furnaces only\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2856\" data-end=\"2982\"\u003e\u003cstrong data-start=\"2856\" data-end=\"2886\"\u003eIs installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"2886\" data-end=\"2889\"\u003eInstallation is typically straightforward, but ensure power is disconnected before servicing.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47952021913841,"sku":null,"price":15.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/525028.webp?v=1774383615","url":"https:\/\/rvfurnaceguys.com\/products\/suburban-525028-sail-switch-furnace-low-air-flow-switch-replaces-233100-nt-series","provider":"RV Furnace Guys","version":"1.0","type":"link"}