TB Woods 4J-7/8 Flange or Intertherm HVAC unitsùparticularly the

or Intertherm HVAC unitsùparticularly the CMF2 downflow furnace seriesùthis part is critical for maintaining proper static pressure and exhaust venting

Silent Operation: Designed for quiet mechanical switching

Should I use thread sealant on the flare end

Key Benefits Precise Thermal Calibration: Fixed 250°F open temperature ensures reliable lockout during high-temperature excursions

If your furnace uses a 41-409 hot surface ignitor

TB Woods 4J-7/8 Flange or Intertherm HVAC unitsùparticularly theThe TB Woods 4J 7 8 Sure Flex Plus Flange is a high performance sintered carbon steel coupling component engineered specifically for close coupled power transmission applications. This Type J coupling flange features a 7 8" finished bore and a standard 3 16" x 3 32" keyseat, ensuring a precise slip fit on motor and pump shafts. Built using advanced powdered metal technology, the 4J78 flange provides exceptional dimensional accuracy and uniform