This remote alarm indicator is compatible with both Fenwal smoke detectors and THD series electronic heat detectors

Does this unit include the cooling fan and gasket

Integral vent limiter simplifies installation by meeting safety standards for indoor venting without extra piping

Replacing a degraded or saturated boiler insulation disk is vital for preventing heat loss and protecting the floor substrate from high-temperature exhaust exposure

Diagnostic LED and Test Button: Facilitates rapid troubleshooting and burner circuit verification without compromising system water levels

Trane SWT1729 Limit Switch 322838-753 This remote alarm indicator isWhen you are troubleshooting a furnace that is tripping on high limit, you need a reliable Trane SWT1729 to ensure system safety and prevent heat exchanger damage. This OEM Trane limit switch is a critical safety component designed for air handlers and gas furnaces, specifically engineered to monitor internal plenum temperatures. As a veteran grade HVAC replacement part, it features an automatic reset function, meaning the switch opens the control