The PDS-1, Proven Draft Switch, is a fixed set point (.05”WC) differential pressure switch that is used in conjunction with EXHAUSTO’s Mechanical Draft Systems. It is used for insufficient draft protection, so if an unsafe draft condition occurs, whether this is caused by 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.

The PDS-1 Control is available from EXHAUSTO, Inc. To order, locate your local dealer or contact EXHAUSTO at (800) 255 2923 or info@exhausto.com

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