Usage Tips: 1, Used For using propane supply and flame control for bbq grill with 1/4" Quick connect Plug propane connection. 2, Inlet connect the grill burner tubing with 12mm or more inlet hole , Thread M12x1.5. 3, Rated for 14", 0.5 psi max of inlet pressure low pressure only non-safety device, can control the flame on, off and adjust. 4, Replacement part for Olympian 5100 and 5500 and Weber 200 gas grills as well as other heater or grill with inlet burner thread more than 12mm. 5, Include black control knob 1.75" Diameter. The valve can easy connect the 1/4" quick connect adapter to hook the RV or trailer gas supply hose. You have 7 days to contact us and 30 days to return it from the date received. If the item is in your possession more than 7 days, it will be considered used and WE WILL NOT ISSUEA REFUND OR REPLACEMENT to you. There are NO EXCEPTIONS!Shipping cost is bear by both seller and buyer in half. All returned items MUST BE in the packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your order ID. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from . OR, you may choose to have a replacement. We will bear all the shipping cost if the product(s) is (are) not as advertised. 12 months Manufacturer's limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty. Defective items MUST BE reported and returned within the warranty period (and in the packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY. You agree to all of the above-listed policies upon ordering on ! Our office hours are 9:00 a.m. to 6:00 p.m. (GMT+8) of Monday to Saturday. And our office is closed on Sunday and public holidays (Peking) if you have any questions,please feel free to contact us on message,we will try our best to reply your questions in 48 hours. during the holidays,for delay reply,we apologize deeply.