International Environmental 71520319 Thermostat R-410A This unit features a blank

This unit features a blank handle for universal application

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

and 95 psi when operating above 400 psig

the brass construction and bellows design are rated for use with fresh water and neutral brine solutions

this splash guard provides a watertight seal that ensures reliable sensor performance without compromising signal accuracy

International Environmental 71520319 Thermostat R-410A This unit features a blankThe 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