Designed to meet or exceed. OEM specifications. Single wire, metric thread. Used on Vanguard Units. Fits Gas Log Fireplaces.

Replacement thermocouple used on York® / Nordyne® units. Single wire, metric thread.  Applications：HVAC/R. Replacement Part: York® / Nordyne® 181975; Supco® TH181975

Replacement thermocouple used on Vangaurd® units. Length(in): 36. Applications：HVAC/R, Appliance. Replacement Part: White Rodgers® 21H0E2-36; Supco® TH198036

Replacement thermocouple used on Vangaurd® units. Length(in): 30. Applications：HVAC/R, Appliance. Replacement Part: White Rodgers® 21H0E2-30; Supco® TH198030

Replacement thermocouple used on Vangaurd® units. Length(in): 24. Thread Size: 8mm. Applications：HVAC/R. Replacement Part: Vanguard® 181955; Supco® TH181955. 

Thermocouples offer easy installation into the majority of pilot burners.Length(in): 18. Applications：HVAC/R，Appliance. Replacement Part: White Rodgers®：21HOE2-18; Supco®:  TH198018.