The thermocouple is a device, when heated, generates electricity that is sent to the propane gas control. Followed the instructions on the package.  Do not bend the thermocouple too many times to avoid tubing crack and loose thermo signal from the magnet valve. The RV water heater Jade pilot assembly needle is easy to install, just remove the old water heater igniter and install the new one in the original position, you can follow it in a few minutes. Attached installation instruction. Perfect replacement. Rv Water Heater Burner Tube Water Heater Pilot Assembly For Atwood 91603 (91214) ,Includes Pilot Thermoco Thermocouple For Water Heater Please ensure part will fit. Part # 91603. RV - Atwood Water Heater Pilot Assembly & Thermocouple Kit. Works on Atwood gas water heaters. ... To view other RV/trailer/camping parts and...  The Lit time need around 5-10 seconds to hold the valve. Thermocouple and pilot tube length for RV water heater fittings is 9 inch. The rv water heater replacement parts are designed for Compatible with Atwood 91603 RV Water Heater Replacement Parts, Fits for GC6A-3, GC6A-6, GC6A-7, G6A-2, G6A-3, G6A-6, G6A-6P, G6A-7, G6A-7P, GH6-3, GH6-6, GH6-7, GC6AA-7, GC6AA-7P, GC6AA-8, GC6AA-8P, G610-3, G610-3E, GH610-3, GC10A-2, GC10A-2P, GC10-1, GC10-2, GC10-2P, G10-2, G10-2P LP Propane Gas Water Heater Plot Assembly Replacement For Atwood 91603 The gas tube is the pilot light which ignites the gas from the main burner. Brass Sheet Metal Gauge Thckness Chart  The tube and thermocouple connect the storage water heater thermostat valve and keep it tighten  Durable Aluminium Tube and Parts and stay longger in life.  Thermocoupler Total Length Around 13 and Aluminium Tubing 10.6 Long Fits RobertShaw Thermostat Control Valve  Single Blue Flame to Keep The water Heater Automatic Lit when Temperature getting cold.
