{"product_id":"airstream-truma-safety-drain-valve-602541-31","title":"Airstream Truma Safety Drain Valve - 602541-31","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0152\/8515\/7988\/files\/airstreamOEMpartJPG_50x50.jpg?v=1569625413\" style=\"border-image-outset: 0; border-image-repeat: stretch; border-image-slice: 100%; border-image-source: none; border-image-width: 1; box-sizing: border-box; color: #666666; float: none; font-family: Karla,sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; max-width: 100%; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px; border: 0px none currentColor;\" height=\"50\" width=\"50\"\u003e\u003c\/p\u003e\n\u003cp\u003eAirstream Truma Safety Drain Valve - 602541-31 is a plumbing safety and drain component used with the Alde hydronic heating and domestic hot-water system in various Airstream travel trailers. The valve is on the fresh-water\/domestic hot-water side of the Alde installation, rather than being a valve for draining the glycol heating circuit. That distinction matters: the Alde system contains both a closed glycol circuit that carries heat around the trailer and a potable-water circuit that supplies hot water.\u003c\/p\u003e\n\u003cp\u003eIts principal purpose is to provide a safe discharge\/drain path for the water heater system. When opened, water can be released from the hot-water portion of the system and directed through the drain plumbing toward the exterior of the trailer. This is particularly important when the water system needs to be drained for winterization, storage, or service.\u003c\/p\u003e\n\u003cp\u003eThe valve also belongs to the safety arrangement around the water-heating equipment. It should therefore be treated as a functional plumbing\/safety component, not simply as an ordinary low-point drain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy the valve matters during winterization\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause water trapped in the boiler\/hot-water plumbing can freeze and expand, properly draining that portion of the system is important before exposure to freezing temperatures. The safety drain valve provides a means of evacuating that water.\u003c\/span\u003e\u003c\/p\u003e","brand":"Woodland Airstream Parts and RV Accessories Store ","offers":[{"title":"Default Title","offer_id":67632482222307,"sku":"602541-31","price":95.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0152\/8515\/7988\/files\/airstream602541-31.jpg?v=1791333184","url":"https:\/\/woodlandairstreamparts.com\/products\/airstream-truma-safety-drain-valve-602541-31","provider":"Woodland Airstream Parts and RV Accessories Store ","version":"1.0","type":"link"}