Description
Specifically engineered for Honeywell PP901A and PP901B Series pressure regulators and controllers
By replacing the internal trim and elastomers
This SPST (Single Pole Single Throw) switch features a robust brass compression connection and is engineered to protect the heat exchanger by ensuring the burner only fires when adequate water pressure is detected
always verify the MOPD and maximum working pressure (500 psig) against your specific R410A system requirements
with a maximum operating range safety margin up to 30 PSI
Bard 8603-033 Solenoid R-410A Specifically engineered for Honeywell PP901AThe Bard 8603 033 Solenoid with End Switch is a critical direct replacement flow control component engineered specifically for Bard geothermal heat pump systems and water to air units. Designed for high reliability hydronic management, this 24V solenoid valve features an integrated end switch that provides essential feedback to the system controller, ensuring the compressor only engages once the valve has reached its full open position. This prevents