Dwyer Instruments DA-33-2-9 Pressure Switch 323613-751 The positive dead-end lock-up ensures

The positive dead-end lock-up ensures that when the downstream solenoid valve closes

NEMA Class II rated construction ensures reliable electrical isolation and safety standard compliance

Exact OEM Fit: Features a standard 5/8" bore to ensure seamless compatibility with Heatcraft and Bohn condenser motors

This assembly is primarily utilized in Laars Mighty Therm and Mighty Therm2 hydronic boilers

Smith control logic

Dwyer Instruments DA-33-2-9 Pressure Switch 323613-751 The positive dead-end lock-up ensuresThe Dwyer Instruments DA 33 2 9 Pressure Switch is a heavy duty Bourdon tube operated control designed for precision in demanding HVACR and industrial process environments. This Mercoid Series DA model features an adjustable operating range of 10 to 300 psig, providing reliable SPST (Single Pole Single Throw) switching logic for high pressure or low pressure limit control. Engineered for vertical installation via a flange mount, the DA 33 2 9 includes