{"product_id":"haywardpoolheaterexhaustgastemperaturelimitfdxlegl1930hppfdxlegl1930","title":"Hayward Pool Heater Exhaust Gas Temperature Limit | FDXLEGL1930","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003ch2\u003eHayward FDXLEGL1930 Exhaust Gas Temperature Limit (One-Use) — Universal H-Series \/ FD \/ H-Series 135K \/ Universal HC\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Hayward \u003cstrong\u003eFDXLEGL1930\u003c\/strong\u003e is an OEM \u003cstrong\u003eexhaust gas temperature limit\u003c\/strong\u003e safety device used on select Hayward pool\n    heaters. This is a \u003cstrong\u003eone-use (non-resettable)\u003c\/strong\u003e limit that helps protect the heater by shutting it down if exhaust gas\n    temperatures exceed safe operating levels. It’s a critical safety component for preventing damage from overheating, airflow restriction,\n    or combustion issues.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eFits \/ Compatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHayward \u003cstrong\u003eUniversal H-Series\u003c\/strong\u003e heater applications (model\/revision dependent)\u003c\/li\u003e\n    \u003cli\u003eHayward \u003cstrong\u003eUniversal H-Series Low NOx FD\u003c\/strong\u003e heater applications (model\/revision dependent)\u003c\/li\u003e\n    \u003cli\u003eHayward \u003cstrong\u003eH-Series 135,000 BTU\u003c\/strong\u003e induced draft \/ above-ground heaters such as \u003cstrong\u003eH135ID\u003c\/strong\u003e and \u003cstrong\u003eABG135\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eHayward \u003cstrong\u003eUniversal HC\u003c\/strong\u003e heaters including \u003cstrong\u003eHDF275\u003c\/strong\u003e and \u003cstrong\u003eHDF400\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eFit tip:\u003c\/strong\u003e Heater parts can vary by model and revision. Confirm your heater model from the data plate and verify\n    \u003cstrong\u003eFDXLEGL1930\u003c\/strong\u003e on the correct parts diagram before ordering.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat It Fixes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHeater shutdown or lockout due to a tripped\/failed exhaust temperature limit\u003c\/li\u003e\n    \u003cli\u003eSafety circuit open condition traced to a blown one-time exhaust limit device\u003c\/li\u003e\n    \u003cli\u003ePreventive replacement during combustion\/venting service when the limit has been triggered\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Causes of an Exhaust Limit Trip (Address Before Restarting)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBlocked or restricted exhaust\/venting\u003c\/li\u003e\n    \u003cli\u003eRestricted air intake, debris in blower area, or poor combustion air supply\u003c\/li\u003e\n    \u003cli\u003eExchanger\/combustion chamber issues or soot buildup\u003c\/li\u003e\n    \u003cli\u003eIncorrect gas supply\/combustion setup or other combustion-related faults\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e(1) \u003cstrong\u003eFDXLEGL1930\u003c\/strong\u003e one-use exhaust gas temperature limit\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecs (Quick Reference)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePart Number: \u003cstrong\u003eFDXLEGL1930\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePart Type: \u003cstrong\u003eHeater Parts\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eSafety Type: \u003cstrong\u003eOne-use (non-resettable) exhaust gas limit\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePool Type: \u003cstrong\u003eIn-Ground\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eWarranty: \u003cstrong\u003e1-Year (Parts Only)\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTurn off power and gas\u003c\/strong\u003e to the heater before service and allow the unit to cool.\u003c\/li\u003e\n    \u003cli\u003eThis is a \u003cstrong\u003esafety device\u003c\/strong\u003e; if it has tripped, diagnose and correct the underlying cause before operating the heater again.\u003c\/li\u003e\n    \u003cli\u003eInstallation and combustion\/venting diagnosis should be performed by a \u003cstrong\u003equalified technician\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=FDXLEGL1930\"\u003eHayward FDXLEGL1930 (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=FDXLFSK1930\"\u003eHayward FDXLFSK1930 Fuse Service Kit (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=FDXLFWP1930\"\u003eHayward FDXLFWP1930 Field Wiring Panel \/ Fuse Board (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=FDXLIGN1930\"\u003eHayward FDXLIGN1930 Igniter (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Hayward%20FD%20heater%20parts\"\u003eHayward Universal H-Series FD Heater Parts (search)\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eKeep the heater’s air intake and exhaust areas clear of leaves, insects, and debris to maintain proper airflow.\u003c\/li\u003e\n    \u003cli\u003eIf the heater shows signs of soot or strong exhaust odor, stop use and have combustion inspected.\u003c\/li\u003e\n    \u003cli\u003eMaintain proper water flow and balanced water chemistry to reduce internal stress on the heater.\u003c\/li\u003e\n    \u003cli\u003eAddress any safety shutdowns promptly—repeated cycling without fixing root causes can lead to larger failures.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":46797879148719,"sku":"FDXLEGL1930","price":25.75,"currency_code":"USD","in_stock":true}],"url":"https:\/\/freshized.com\/products\/haywardpoolheaterexhaustgastemperaturelimitfdxlegl1930hppfdxlegl1930","provider":"Freshized","version":"1.0","type":"link"}