International Environmental 71520319 Thermostat R-410A Broad Material Compatibility: Specifically designed

Broad Material Compatibility: Specifically designed for 45-degree flare connections on copper

Vibration Dampening: Precision-balanced construction eliminates the rattling noise often caused by wheel imbalance

Ensure a solid common ground and check for proper microamp signal from the flame sensor to prevent nuisance trips

This unit features a blank handle for universal application

For 36E or 36H valves

International Environmental 71520319 Thermostat R-410A Broad Material Compatibility: Specifically designedThe International Environmental 71520319 is an OEM 7 day programmable fan coil thermostat designed for precision climate control in high performance hydronic systems. As a veteran grade digital thermostat replacement for the obsolete 71520305, this unit offers seamless integration into existing 2 pipe or 4 pipe fan coil configurations without requiring backplate modifications in most retrofit scenarios. High volume fan coil unit parts like this are