Dwyer Bypass Air Damper Control Switch BYDS Series

Adjust the damper to control the area static pressure

Dwyer Economical Micro Differential Pressure Switch PDPS Series

Micro pressure as low as 0.07 inches of water column

Dwyer Dual Diaphragm Box Differential Pressure Switch DP Series

Visible setpoint, adjustable or fixed hysteresis, high voltage resistant

Dwyer Gas Differential Pressure Switch PG Series

External adjustment set point, fully sealed quick-open switch or mercury switch

Dwyer Differential Pressure Switch A4 Series

Adjustable set point, high pressure resistance

Dwyer 3000SGT Series Differential Pressure Switch/Gauge/Transmitter

Dwyer Device Matching Differential Pressure Switch MDS Series

Shockproof, gold contacts, lightweight

Dwyer Gas Differential Pressure Switch 1996 Series

Small size, low price, water column range from 1.4 to 20 inches