{"product_id":"jandy-exhaust-temp-limit-switch-for-lx-and-lt-heaters-r0329400","title":"R0329400 | Jandy Exhaust Temp Limit Switch for LX and LT Heaters","description":"\u003cp data-start=\"233\" data-end=\"769\" class=\"\"\u003eOEM Jandy Exhaust Temperature Limit Switch R0329400 is a key safety component designed to monitor exhaust temperatures in Jandy LX and LT pool and spa heaters. This switch protects the unit by shutting down the heater if exhaust temperatures rise above safe levels, preventing overheating and system damage. Compatible with models such as LX250, LX400, LT250, and LT400, it is built for durability and OEM precision. Installing this part helps extend equipment life and maintain consistent, safe operation throughout the heating season.\u003c\/p\u003e\n\u003ch3 data-start=\"771\" data-end=\"785\" class=\"\"\u003eHighlights\u003c\/h3\u003e\n\u003cul data-start=\"787\" data-end=\"1552\"\u003e\n\u003cli data-start=\"787\" data-end=\"943\" class=\"\"\u003e\n\u003cp data-start=\"789\" data-end=\"943\" class=\"\"\u003e\u003cstrong data-start=\"789\" data-end=\"826\"\u003eMonitors Exhaust for Overheating:\u003c\/strong\u003e Detects when exhaust temperatures exceed safety thresholds and immediately shuts the system down to prevent damage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"944\" data-end=\"1096\" class=\"\"\u003e\n\u003cp data-start=\"946\" data-end=\"1096\" class=\"\"\u003e\u003cstrong data-start=\"946\" data-end=\"982\"\u003ePrevents Thermal System Failure:\u003c\/strong\u003e Helps avoid damage to heat exchangers, electronics, and other components by keeping exhaust temps under control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1097\" data-end=\"1247\" class=\"\"\u003e\n\u003cp data-start=\"1099\" data-end=\"1247\" class=\"\"\u003e\u003cstrong data-start=\"1099\" data-end=\"1137\"\u003eCompatible with LX and LT Heaters:\u003c\/strong\u003e Designed for use with Jandy models LX250, LX400, LT250, and LT400, providing a reliable fit and performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1248\" data-end=\"1400\" class=\"\"\u003e\n\u003cp data-start=\"1250\" data-end=\"1400\" class=\"\"\u003e\u003cstrong data-start=\"1250\" data-end=\"1287\"\u003ePromotes Long-Term Heater Safety:\u003c\/strong\u003e Acts as a fail-safe mechanism that helps maintain safe operation during extended or high-demand heating cycles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1401\" data-end=\"1552\" class=\"\"\u003e\n\u003cp data-start=\"1403\" data-end=\"1552\" class=\"\"\u003e\u003cstrong data-start=\"1403\" data-end=\"1447\"\u003eOEM Construction for Tough Environments:\u003c\/strong\u003e Manufactured to Jandy’s specifications to ensure performance under poolside heat and moisture exposure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e(1) \u003c\/strong\u003eExhaust Temp Limit Switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e(2) \u003c\/strong\u003eScrews\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJandy LX Heater Models: \u003c\/strong\u003eLX250, LX400\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJandy LT Heater Models: \u003c\/strong\u003eLT250, LT400\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e \u003c\/span\u003e\u003cspan\u003eThis Exhaust Temp Limit Switch may be compatible with your system, please refer to your owners manual to ensure compatibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"360\" data-end=\"379\" class=\"\"\u003eAdditional Info\u003c\/h3\u003e\n\u003ch2 data-start=\"381\" data-end=\"454\" class=\"\"\u003eR0329400 Exhaust Temp Limit Switch – Overheat Protection for LX \u0026amp; LT\u003c\/h2\u003e\n\u003ch4 data-start=\"455\" data-end=\"529\" class=\"\"\u003eR0329400 shuts off Jandy heater if exhaust temp exceeds safe limits\u003c\/h4\u003e\n\u003ch4 data-start=\"530\" data-end=\"600\" class=\"\"\u003eessential safety part for LX250, LX400, LT250, and LT400 models\u003c\/h4\u003e\n\u003ch4 data-start=\"601\" data-end=\"674\" class=\"\"\u003einstall R0329400 when heater shuts down due to exhaust overheating\u003c\/h4\u003e\n\u003ch4 data-start=\"675\" data-end=\"744\" class=\"\"\u003eswitch helps prevent internal damage from blocked flue or vent\u003c\/h4\u003e\n\u003ch4 data-start=\"745\" data-end=\"813\" class=\"\"\u003eused in routine service to maintain combustion chamber safety\u003c\/h4\u003e\n\u003ch2 data-start=\"815\" data-end=\"883\" class=\"\"\u003eJandy Heater Exhaust Sensor R0329400 – Monitors High Flue Temps\u003c\/h2\u003e\n\u003ch4 data-start=\"884\" data-end=\"956\" class=\"\"\u003epart R0329400 detects excessive exhaust heat in Jandy gas heaters\u003c\/h4\u003e\n\u003ch4 data-start=\"957\" data-end=\"1014\" class=\"\"\u003eshuts down burner if vent pipe heat rises too high\u003c\/h4\u003e\n\u003ch4 data-start=\"1015\" data-end=\"1075\" class=\"\"\u003ecompatible with LT and LX series pool and spa heaters\u003c\/h4\u003e\n\u003ch4 data-start=\"1076\" data-end=\"1143\" class=\"\"\u003efaulty switch? Replace R0329400 to restore system protection\u003c\/h4\u003e\n\u003ch4 data-start=\"1144\" data-end=\"1204\" class=\"\"\u003eincludes screws for secure mounting to heater housing\u003c\/h4\u003e\n\u003ch2 data-start=\"1206\" data-end=\"1275\" class=\"\"\u003ePool Heater Exhaust Limit Switch R0329400 – OEM Safety Component\u003c\/h2\u003e\n\u003ch4 data-start=\"1276\" data-end=\"1345\" class=\"\"\u003eR0329400 is required when vent temps exceed factory tolerances\u003c\/h4\u003e\n\u003ch4 data-start=\"1346\" data-end=\"1411\" class=\"\"\u003erestore system shutoff accuracy with genuine part R0329400\u003c\/h4\u003e\n\u003ch4 data-start=\"1412\" data-end=\"1482\" class=\"\"\u003eheater short cycling or locked out? R0329400 may need replacing\u003c\/h4\u003e\n\u003ch4 data-start=\"1483\" data-end=\"1546\" class=\"\"\u003eprotects heat exchanger, wiring, and ignition components\u003c\/h4\u003e\n\u003ch4 data-start=\"1547\" data-end=\"1606\" class=\"\"\u003euse in both residential and commercial Jandy systems\u003c\/h4\u003e\n\u003c!----\u003e","brand":"Jandy","offers":[{"title":"Default Title","offer_id":49770513039648,"sku":"R0329400","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/3326\/9536\/files\/JandyExhaustTempLimitSwitchForLXandLTHeatersR0329400DiscountPoolMart_1.jpg?v=1738617815","url":"https:\/\/discountpoolmart.com\/products\/jandy-exhaust-temp-limit-switch-for-lx-and-lt-heaters-r0329400","provider":"Discount Pool Mart","version":"1.0","type":"link"}