Timsec 23.5" Longer Thermocouple Compatible With Most Brands Of Propane Gas Timsec Safety Flame Failure Thermocouple Sensor Tilt Switch Replacement Kit, will help you solve below problems: a. your heater can't be lit even the lighters are fine. b. your heaters thermocouple broken. 23.5" much Longer Thermocouple can be compatible with Most Brand Propane Gas Outdoor Heater, Garden Heater, Room Heater The Replacement Kit is Not universal parts, Please Check Dimensions and Installation way Carefully Before purchasing. Specifications: Item: FD4 Dump Switch Weak Current Tilt Dump Switch for gas R 10 m ohm Current Voltage: 250VAC/15A 125VAC/20A Flat Terminal Width: 0.19", 0.26"(4.8mm,6.5mm). Parts Numbers: FD4. Item: 23.5" Gas Patio Heater Thermocouple Thermocouple Wire Length: 23.5" (600mm) Thermocouple End: M8 x 1 Thread with Nuts on end Thermocouple Probe Diameter: 0.24"/ 0.3" (6mm/7.5mm). Flat Terminal Width: 0.19"(4.8mm) Package Included: 2Pcs x 23.5" Thermocouple 2Pcs x FD4 Dump Switch. Product Features [WIDE APPLICATION] - This gas heater Thermocouple and Dump Switch replacement part is suitable for propane, patio and thermoelectric gas heaters with thermoelectric safety room gas heater, outdoor patio heater and other Thermoelectric gas products. [FUNCTIONS] - The FD4 Tip over Switch will automatically stop the heater when the heater is tilted or dropped, which can prevent the occurrence of gas leakage when the fire is extinguished and the gas is still on, which is more secure. [SPECIFICATION] - The FD4 Dump safety Switch is for weak dump switches with gas R ? 10m?. and Thermocouple wire total length 23.5?(600mm) M8*1 Thread Ends and two 0.19"(4.8mm) width Flat Terminal. 23.5" much Longer Thermocouple can be compatible with Most Brand Propane Gas Outdoor Heater, Garden Heater, Room Heater [EASY INSTALLATION] - The probe is connected to the ignition device, the thermocouple is connected to the valve, and the other two ports are connected to the safety dumping switch, which does not require special tools and is fully compatible with the original components. [SATISFACTION GUARANTEE] - We stand by our quality commitment and will guarantee you 100% satisfaction of the Patio Heater Thermocouple and FD4 Dump Switch. Please do not hesitate to contact us if there is any question. We will do our best to solve the problem as soon as possible. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!