Dwyer Instruments DHC-003 Pressure Switch 321894-708 this mechanical shaft coupling ensures

this mechanical shaft coupling ensures vibration-free torque transmission between the drive motor and the squirrel cage or fan wheel

By facilitating proper power distribution

Does this unit include a mounting gasket or flange

Utilizing this genuine ECR International part restores the appliance to its original performance specs while maintaining critical safety certifications

dual-groove power transmission component designed for fractional horsepower (FHP) applications

Dwyer Instruments DHC-003 Pressure Switch 321894-708 this mechanical shaft coupling ensuresThe Dwyer DHC 003 is a high precision differential pressure controller designed for sensing and controlling low pressure air and non combustible gases. This unit features a sensing range of 0 to 0. 5 inches water column, making it an essential component for monitoring filter status, duct static pressure, and fan proving in critical HVAC applications. Built with a solid state sensor and an integrated SPDT relay, the DHC 003 delivers superior