{"product_id":"modine-5h0730570005","title":"MODINE Blocked Vent Switch - L300F (5H0730570005)","description":"\u003ch3\u003e\u003cstrong\u003eProduct description\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Blocked Vent Switch (L300F) is a critical safety device designed for Modine gas-fired heating equipment. This switch is engineered to monitor the exhaust venting system for obstructions or back-drafting conditions that could pose a danger to the occupants and the equipment. When a blockage is detected, the switch interrupts the electrical circuit to the gas valve, effectively shutting down the burner to prevent the accumulation of hazardous combustion byproducts like carbon monoxide within the building. The L300F designation indicates its specific temperature trip point and reset characteristics, ensuring it responds accurately to the thermal conditions associated with venting failures. Regular inspection and replacement of this safety switch with the genuine Modine part are essential for maintaining the safe and reliable operation of your heating system throughout the winter season.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct highlights\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEssential safety component for detecting exhaust vent obstructions.\u003c\/li\u003e\n\u003cli\u003eAutomatically shuts down the burner to prevent hazardous gas buildup.\u003c\/li\u003e\n\u003cli\u003eDesigned to meet strict Modine engineering specifications for reliability.\u003c\/li\u003e\n\u003cli\u003eFeatures precise thermal response characteristics (L300F).\u003c\/li\u003e\n\u003cli\u003eCritical for maintaining compliance with safety standards and building codes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Blocked Vent Switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRating:\u003c\/strong\u003e L300F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Modine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 5H0730570005\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eDirect replacement models\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eModine 5H0730570005, L300F\u003c\/p\u003e\u003cp\u003eYou will receive the same product or an OEM-Equivalent that meets the highest standard of the OEM with warranty that will be a direct-fit. Manufactured with rigorous industry standards and certified in the USA with superior quality to the OEM.\u003c\/p\u003e","brand":"AEPN","offers":[{"title":"Default Title","offer_id":47379890536613,"sku":"5H0730570005","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/4743\/4661\/files\/5H0730570005_1afd77d1-e741-430f-bf7c-d90f92fc7bce.jpg?v=1768587104","url":"https:\/\/aepn.net\/products\/modine-5h0730570005","provider":"AEPN","version":"1.0","type":"link"}