Check the listing for details. 4021-732 Pilot Assembly w LP Nozzle Replace for Heatilator Quadrafire Fireplace. Condition: New, Made in China. Listed at 28.75 USD. Features: 1, Note: The 4021-732 pilot assembly used for natural gas ONLY at factory setting, For standing pilot units only, does not work with SIT valve.But we include spare LP nozzle in the package. 2, Made of stainless steel,brass and heat-resistant plastic, durable, with a long service life. 3, It comes with a thermopile, thermocouple, pilot tubing, and sparker electrode. Also included is a bracket that secures the assembly next to the burner. 4, Replaces Heatilator Part Numbers: 4021-732, 25660, SRV4021-732, 25174, SRV25174. Heat-N-Glo: 25660, SRV4021-732, 25174, SRV25174. Quadrafire: 4021-732, 25174, SRV25174. 5, Fits Heatilator Fireplace Models: CD4236R & CD4236LR, CD4842R & CD4842LR, CGC150 & CGC150L, G141 & G141L, G270M & G2.