AERCO Boiler and Water Heater 58020-02 Kit 320720-756 a single Honeywell 221508A2 board

a single Honeywell 221508A2 board allows for the operation of up to four M91XX motors in unison

Substituting other resistance values will cause signal errors and calibration failure in the control circuit

It should not be used to bypass safety circuits or modify the original design of the HVAC system

This direct-acting solenoid valve features a 1/4" NPT connection and is designed for a universal flow pattern

Can I use this 24Vac coil on a DC circuit

AERCO Boiler and Water Heater 58020-02 Kit 320720-756 a single Honeywell 221508A2 boardThe AERCO Boiler and Water Heater 58020 02 Kit is a comprehensive assembly specifically engineered for the 24 month water fire side maintenance of KC1000 Low NOx boilers and high efficiency water heaters. This OEM replacement part is essential for facility managers and technicians looking to sustain peak heat transfer efficiency and operational safety. As a genuine AERCO Boiler and Water Heater maintenance kit, it includes high performance components