Heatilator Thermocouple: 446-511

Replacement RS (Robert Shaw) thermocouple for Heatilator gas stoves and fireplaces. Measures 28" long. Fits Robertshaw & some SIT 820 NOVA Gas Valves with fine thread. Fits the following models:

• ADI-ZC-FB
• ADI60
• ND3630
• ND3630L
• NDI30-SP
• NDI30-SPFK
• NDI35-SP
• NDI35-SPFK