Reznor 195573 Control Borad 30067439-890 this component eliminates the need

this component eliminates the need for labor-intensive draining of the hydronic system or invasive re-tapping of boiler tappings

while a built-in inlet flow deflector directs liquid toward the shell wall for gradual expansion and safe evaporation

1U handle vertical damper shafts

Flexible Application: Fully compatible with Danfoss RA2000 series valves for both hot water and low-pressure steam heating systems

they typically step down the current to 120V for the ignitor

Reznor 195573 Control Borad 30067439-890 this component eliminates the needEnsure your terminal to terminal communication remains flawless with this genuine Reznor 195573 Direct Spark Ignition (DSI) board. Engineered specifically as a central HVAC control board for gas fired unit heaters and air handlers, this component acts as the primary microprocessor "brain," managing critical ignition sequencing and safety lockdowns. This specific iteration includes an integrated cooling relay, providing specialized logic for units