4021-736 Pilot Assembly Repair Kit Natural Gas (NG) Replaces 485-510A/2103-010 with Thermocouple and Thermopile. Replacement for Heat N Glo, Heatilator & Quadrafire Fireplaces

DIRECT OEM REPLACEMENT Exact match for 4021-736 pilot assemblies, compatible with Heat N Glo (SRV4021-736/SRV485-510A), Heatilator (2103-010), and Quadrafire (QV Series). Includes LP conversion jets for dual-fuel flexibility (NG/LP) | COMPLETE FIREPLACE MODEL COVERAGE Fits pre-serial # GA1551065/GA1587915 models: Replacement for Heatilator: BCBV36, NB3630, ND4842M, etc. Replacement for Heat N Glo: AT-Grand-B/C/D, 6000TRB, 8000TVC, SL-750TRFL, etc. Replacement for Quadrafire: QV32, QV36D, QV-Pier, etc | RIGOROUS QUALITY TESTING Each unit undergoes leak, ignition, and voltage tests, guaranteeing 750mV+ thermopile output for reliable gas valve operation | Natural Gas READY 4021-736 Natural Gas (NG) Pilot Assembly optimal natural gas performance. Not compatible with liquid propane gas.Warm Note: A standalone LP orifice (for 4021-737 conversion) is included in the package. However, due to the complicated replacement process, we advise not to install it and to ignore this component unless professional assistance is available | UNIVERSAL INDOOR FIREPLACE USE Designed for standing-pilot natural gas fireplaces. Compatible with White Rogers, Monessen, and Hearth & Home HHT thermostats. Not for ventless systems