Configurable Ignition: Selectable high fire start timings (0

This industrial-grade 24V DC brass valve is a standard choice for contractors requiring a dependable

Removable bracket can be mounted in three different configurations or on a DIN rail (with AH01 clip)

Built to maintain precise HVAC system control

Reznor 197031 Pressure Switch 320788-703 Configurable Ignition: Selectable high fireWhen you are dealing with thin air at elevations above 6000 feet, standard combustion air monitoring just does not cut it. The Reznor 197031 Pressure Switch is the specific high altitude solution required to maintain precise safety setpoints on your Reznor unit heater. This OEM draft switch is factory calibrated to 0. 35" W. C.identifiable by its distinct purple labelto ensure the inducer motor is pulling the correct negative pressure for safe