{"product_id":"drain-valve","title":"Raypak By-Pass Spring Drain Valve, 1\/8 in. NPT, for 266A\/336A\/406A Heaters, 013793F","description":"\u003cp\u003eThe Raypak 013793F is a by-pass spring drain valve with a 1\/8 in. NPT thread, for the metal heat exchanger on Raypak professional gas pool heater models 266A, 336A, and 406A.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe by-pass spring drain valve opens to drain water from the heater metal heat exchanger, a step used when winterizing or servicing the heater. Draining the heat exchanger before cold weather helps prevent trapped water from freezing and cracking it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFit and compatibility\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis valve fits Raypak professional gas pool heater models 266A, 336A, and 406A that use a metal heat exchanger, and it threads into a 1\/8 in. NPT port. It carries UPC 840891030584 and Raypak part number 013793F.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConfirm your Raypak heater model is 266A, 336A, or 406A with a metal heat exchanger before ordering, since other Raypak heater models use a different drain valve. The Raypak 013793F is sold individually.\u003c\/p\u003e","brand":"Raypak","offers":[{"title":"Default Title","offer_id":48694144434388,"sku":"RAY-151-3793","price":116.62,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_84fd2c27-6460-4f41-9c5c-9458d4622f09.jpg?v=1789765690","url":"https:\/\/www.activepoolsupply.com\/products\/drain-valve","provider":"Active Pool Supply","version":"1.0","type":"link"}