Dwyer Instruments DA-33-2-9 Pressure Switch R-448A this specific model is calibrated

this specific model is calibrated for LP gas (Propane)

this motor features Class F insulation and is electronically protected to handle high-ambient temperatures and prevent premature failure during peak cooling cycles

preventing common issues like premature thermal tripping or improper CFM delivery that occur with generic alternatives

This is a 24V AC gas valve

if the tank is rated for 125 PSI

Dwyer Instruments DA-33-2-9 Pressure Switch R-448A this specific model is calibratedThe 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