QuadraFire Gas Fireplaces: QV32 QV32-A QV32B - Pre serial # 0021080519 QV32B-A - Pre serial # 0021080519 QV36 QV36-A QV36A-FB (EXPRESSION) - Pre Feb. 2006 QV36B - Pre serial # 0021080519 QV36B-A - Pre serial # 0021076968 QV36D QV36D-A QV36DB QV36DB-A QVI25 QVI-25FB QVI30 QVI-30FB QVI35 QV-PIER QV-PIER-HV-IPI QV-ST QV-ST-HV-IPI Heat N Glo Gas Fireplaces: 36DV88 4000GDV 4000INC 4000INS 4000TV 4000WH 5000GDV - Robertshaw valve only 5000TV 6000ARCH 6000BE 6000BE-IPI 6000CAMP 6000CF 6000DVT 6000DVTFL 6000FLS 6000GDV 6000GDVFL & 6000GDVFL-NF 6000PLUS 6000SEB 6000SGDV 6000TRB 6000TRI 6000TRI-IPI 6000TRI-SP 6000TR-NF 6000TR-OAK 6000TR-OAK-IPI 6000TRS-AUB 6000TRXI 6000TRXI-IPI - Pre serial # 002952047 6000TV 6000TVB 6000TVFL & 6000TVFL-NF 6000TV-OAK 6000TV-OAK-IPI 6000XL 6000XLS 6000XLSB 6000XLS-NF 6000XLT 6000XLTB 6000XLT-NF 6100PLUS & 6100PLUS-LP 7000TR-NF 7000TV-NF 7000XLS-NF 7000XLT-NF 8000CF-OAK-IPI - Pre serial # 002927628 8000DVT 8000DVTFL 8000GDV 8000GDVFL 8000TR 8000TRC 8000TRD 8000TRD-IPI 8000TR-OAK - Pre serial # 0021116425 8000TR-OAK-IPI - Pre serial # 002927628 8000TV 8000TVC 8000TVD 8000TVD-IPI 8000TVFL 8000TV-OAK - Pre serial # 0021116948 8000TV-OAK-IPI - Pre serial # 002927628 AT-GRAND AT-GRAND-B AT-GRAND-C AT-GRAND-D AT-INSERT AT-SUPREME AT-SUPREME-B AT-SUPREME-C AT-SUPREME-D AT-ZC AT-ZC-B - Robertshaw valve only BAY-38HV BAYFYRE-TRS BAY-GDV BAY-INSERT BAY-INSERT-NS BAY-STOVE BE-32 - Pre serial # 2107620 BE-36 BE-36-C - Pre serial # 0021076020 BE-36-CIPI - Pre serial # 0021076020 BE-41 BE-41B CFX-CRESCENT - After serial # 002182991 CFX-GRAND-B CFX-IN-B DVT-INSERT DVT-STOVE ESCAPE-36DV - Pre serial # 002868727 EVEREST - Pre serial # 5000 FB-GRAND FB-IN FB-ZC GAS36TV GATEWAY GRAND-50 GRAND-XT GS-4000 INFINITY LCOR-HVB-IPI LCOR-HV-IPI L-CORNERDV L-CORNERTV L-COR-TRC & L-COR-IPI L-COR-TR L-COR-TVFL OLYMPUS PIER-38HV PIER-DVT PIER-GDV PIER-HVB-IPI PIER-HV-IPI PIER-TRC & PIER-TRC-IPI PIER-TR PIER-TV PIER-TVFL PIER-TVFL-IPI RCOR-HV-IPI R-CORNERDV R-CORNERTV R-COR