International Environmental 71520316 Thermostat 340155-7026 Thermal fuse links typically open

Thermal fuse links typically open due to restricted airflow (dirty filters/blocked returns)

Always verify that your system’s operating pressure does not exceed the maximum rating of the valve to prevent premature failure

Look for hunting (fluctuating RPM)

It is standard trade practice to replace the gasket during any service involving the removal of the ignitor

as long as your system voltage does not exceed 125V

International Environmental 71520316 Thermostat 340155-7026 Thermal fuse links typically openThe International Environmental 71520316 Thermostat is a high performance, digital non programmable fan coil thermostat specifically engineered for 2 pipe and 4 pipe fan coil units (FCU). Designed for 24V AC low voltage control, this OEM component features the distinctive IEC logo and utilizes a microprocessor based control system to ensure precise temperature regulation within one degree of the setpoint. A veteran choice for hospitality and multi