TB Woods 7S-1 1/4 Flange Els PW 17895 Common symptoms include heating elements

Common symptoms include heating elements remaining energized after the thermostat is satisfied (stuck closed) or the blower fan failing to kick on despite the elements glowing (stuck open circuit)

Smith power vent water heaters

For professional technicians

While light soot can be removed with a fine abrasive

TB Woods 7S-1 1/4 Flange Els PW 17895 Common symptoms include heating elementsMaintain peak drivetrain efficiency with the TB Woods 7S 1 1 4 flange, an industrial grade Sure Flex Plus coupling component engineered for high torque applications. Constructed from high strength cast iron, this Size 7 Type S flange is bored to size at 1 1 4 inches with a standard 1 4" x 1 8" keyseat, ensuring a precise slip fit on commercial motor and pump shafts. The Sure Flex Plus design offers a significant 30% increase in torque capacity