{"product_id":"raypak-001811f-high-limit-switch-kit-models-551-552-1101-and-1102","title":"Raypak 001811F High Limit Switch Kit – Models 551, 552, 1101, and 1102","description":"\u003ch2\u003eRaypak 001811F High Limit Switch Kit – Models 551, 552, 1101, and 1102\u003c\/h2\u003e\u003cp\u003eIf your Raypak heater shuts down shortly after startup or displays overheat conditions, the high limit switch may be tripping incorrectly or failing altogether. This safety component is critical for preventing dangerous temperature spikes.\u003c\/p\u003e\u003cp\u003eThe high limit switch monitors water temperature and shuts the heater down if it exceeds safe limits. A faulty switch can either trip too early, causing nuisance shutdowns, or fail to trip at all, risking overheating. Replacing it restores proper safety control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeater shuts off prematurely during heating cycle\u003c\/li\u003e\n\u003cli\u003eFrequent high limit error conditions\u003c\/li\u003e\n\u003cli\u003eNo heat despite normal ignition\u003c\/li\u003e\n\u003cli\u003eOverheating concerns or inconsistent temperature readings\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat this part does:\u003c\/strong\u003e Protects the heater by cutting power if water temperature exceeds safe operating limits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for Raypak models 551, 552, 1101, and 1102.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Temperature safety shutoff\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e High limit switch kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Overheat protection\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOEM Advantage:\u003c\/strong\u003e Accurate temperature calibration ensures safe operation. Incorrect switches can cause unsafe conditions or nuisance shutdowns.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.aquaterrabackyard.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cstrong\u003eNeed help confirming compatibility? Contact us ?\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.aquaterrabackyard.com\/collections\/raypak\" target=\"_blank\"\u003e\u003cstrong\u003eShop all Raypak parts ?\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Raypak","offers":[{"title":"Default Title","offer_id":52023974953234,"sku":"001811F","price":69.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/RAY001811F_0.jpg?v=1770823891","url":"https:\/\/www.aquaterrabackyard.com\/products\/raypak-001811f-high-limit-switch-kit-models-551-552-1101-and-1102","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}