Laars Heating Systems R2080403 Control 320788-702 This single-pole single-throw (SPST) air

This single-pole single-throw (SPST) air pressure switch is factory-calibrated to actuate at

For technicians performing furnace blower repair or routine HVAC maintenance

000 BTU capacity and 208-230V single-phase requirements

the assembly features a rugged die-cast aluminum housing and an oil-immersed gear train that provides continuous lubrication and superior heat dissipation

By managing auxiliary heat staging and fan speed configurations

Laars Heating Systems R2080403 Control 320788-702 This single-pole single-throw (SPST) airThe Laars Heating Systems R2080403 Control is a critical engineering solution for upgrading legacy Rheos+ boiler control platforms. This FX05 to Watlow conversion kit is designed for the field replacement of obsolete Johnson Controls FX05 modules, integrating the more robust and precise Watlow temperature control architecture into existing hydronic and commercial heating systems. As a veteran grade HVAC internal control replacement, this kit ensures