Honeywell Q7800A1005 Wiring Subbase 322056-301 it maintains the integrity of

it maintains the integrity of the flue gas sensing circuit

the E7-20-05 is the designated replacement for the legacy HKN-0731-4 and HKN-E7-20-05 series

eliminating the guesswork of universal fitments that often fail under high-limit safety valve requirements

while the 1/2 PSI maximum pressure rating ensures stability in high-demand environments

using it with mismatched refrigerants can lead to incorrect superheat settings and potential compressor damage

Honeywell Q7800A1005 Wiring Subbase 322056-301 it maintains the integrity ofThe Honeywell Q7800A1005 Universal Wiring Subbase is an OEM panel mounted wiring subbase engineered for use with compatible Honeywell flame safeguard controls and burner management systems. Featuring a 22 terminal configuration, this universal subbase provides secure field wiring connections for flame safeguard modules, ignition controls, combustion equipment, and associated safety circuits. Designed for dependable operation in demanding commercial