Exhausto Fan PDS-1 Proven Draft Switch for Exhausto Chimney Fans

Proven Draft Switch

The Proven Draft Switch (PDS1) is used for insufficient draft protection, so if an unsafe draft condition occurs – whether a mechanical or electrical failure – the switch will shut down the heating appliance. It is typically used with gas or oil fired appliances where it can be interlocked with the gas supply valve or the safety or control circuit of the appliance.

Features:

• For differential pressure monitoring in exhaust and ventilation systems.
• Suitable for air, flue, and exhaust gases.
• The enclosure, switch housing and internal switch are made of polycarbonate.
• Warranty: 2-Years

Specifications:

• Maximum Load: 3 Amps @ 120V AC
• Range of Operation: .05 to .50"WC (13 to 135 Pa)
• Max Pressure: 3 PSI