Fireplace replacement part
Fits Older Robertshaw some SIT 820 NOVA Gas Valves with fine thread. This is for a millivolt valve. Millivolt valves can be contolled by a switch, remote control, or thermostat. This is used by Hearth Home, Mendota, and many other fireplace companies.
Fast acting thermocouple.
Fits many pilot assemblies
Heat-n-Glo part # 446-511 / 2103-511
Heatilator Part # 72956 / 72811