the zero and span potentiometers can be field-adjusted to match your specific branch line requirements

Some configurations may feature an automatic one-hour reset

double-throw relay supports complex control logic and auxiliary status monitoring

this board-mounted switch provides precise temperature sensing within the airflow

this inducer ensures flue gases are efficiently exhausted through 5-inch to 8-inch pipe diameters

Hydrotherm 02-5837 Damper Freon the zero and span potentiometersEnsure peak efficiency in residential heating systems with the Hydrotherm 02 5837 Damper. This 7" vent damper is a critical component for Hydrotherm boiler parts, specifically engineered to minimize standby heat loss. By closing the flue when the burner at rest, it maintains higher internal temperatures, reducing frequent cycling and lowering energy consumption. The unit features a robust 62" cable, providing the necessary length for flexible