US Warehouse - FREE Shipping in USA Product Description: Thermocouple for Direct Vent Fireplaces FITS Heatilator Heat-n-Glo Replacement Thermocouple for Direct Vent Fireplaces Replaces ( replacement for) Robertshaw 446-511 Fits Robertshaw some SIT 820 NOVA Gas Valves with fine thread. works on many fireplaces part numbers 34820 446-511 72956 Features: Replacement RS (Robert Shaw) Thermocouple for Hearth Home Gas Stoves and Fireplaces Fit's many models - 27.5 Inches Long Original Quadra-Fire HHT Parts. No generics Part # 446-511 Fits the following models: Heatilator, Heat N Glo, Royal and Quadrafire part # 446-511 Replaces old part # SRV446-511 OEM HHT part May fit other models, please check your owner's manual for part number compatibility. For Models (Ctrl+F -- to find your model): QV32 QV32-A QV32B QV32B-A (Pre Serial # 0021080519) QV36 QV36-A QV36B-A (Pre Serial # 0021076968) QV36D QV36D-A QV36DB QV36DB-A QVI25 QVI30 QVI35 QVI-25FB QVI-30FB QV Pier Heat N Glo Gas Stoves: AT-Grand (Also fits the B, C and D models) AT-Insert AT-Supreme (Also fits the B, C and D models) AT-ZC and AT-ZC-B Bay Insert and Bay Insert NS CFX Grand-B CFX-IN-B FB-Grand FB-IN FB-ZC Grand-I35-SP Grand-XT Supreme-I30-SP Supreme-XT ZC-XT Bay-38HV Bayfyre-TRS Bay-GDV-95 - After May 1996 L-COR-TR L-COR-TRC L-COR-IPI Pier-38HV Pier-TR Pier-TRC Pier-TVFL R-COR-TR R-COR-TRC R-COR-TRC-IPI ST-38HV ST-42TVFL ST-TR ST-TRC 6000BE 6000Camp 6000DVTFL - After serial # 12614 6000FLS 6000G 6000GBV 6000GDVFL - After date code 2/96 (Only for 30 sec pilot assembly) 6000SEB 6000TRB 6000TRI 6000TRI-SP 6000TR-NF 6000TR-OAK 6000TRXI 6000TVB 6000TV-OAK 6000XL 6000XLS 6000XLS-NF 6000XLSB 6000XLT 6000XLT-NF 6000XLTB 7000TR-NF 7000TV-NF 7000XLS-NF 7000XLT-NF 8000C 8000C-LP 8000DVTFL - After date code 2/96 8000GDVFL - After date code 2/96 8000TR 8000TRC 8000TRD 8000TR-Oak - Pre serial # 0021116425 8000TVC 8000TVD 8000TV-Oak - Pre serial # 0021116948 BE-41 BE-41B BE-41B-IPI Everest - Pre serial # 5000 BE-32 - Pre serial # 2107620 BE-36 BE-36-C - Pre serial # 0021076020 SL-32 - 30 second valve SL-32GDV SL-32S SL-36 SL-36GDV SL-36S SL-42 SL-42DVT SL-350DVT SL-350TRS SL-350TRS-C - Pre serial # 0021080044 SL-350TV SL-550TR SL-550TR-C SL-550TR-D - Pre serial # 0021076206 SL-550TRS SL-550TRS-B SL-550TRS-C SL-550TV SL-550TV-C SL-550TV-D - Pre serial # 0021076055 SL-750TR SL-750TR-C SL-750TR-D - Pre serial # 0021076251 SL-750TRFL SL-750TRS SL-750TRS-B SL-750TRS-C SL-750TV SL-750TV-D - Pre serial # 0021076242 SL-950TR SL-950TR-C SL-950TR-D - Pre serial # 0021076046 SL-950TV SL-950TV-C SL-950TV-D - Pre serial # 0021076046 SL-3000 SL-TVBLD Bay Stove Townsend I Townsend II - Standing pilot only Heatilator Gas Stoves: ADI60 ADI-ZC-FB NDI30-SP NDI30-SPFK NDI35-SP NDI35-SPFK ND3630 ND3630L Thank You for Shopping!