06" round or 3/8" to 11/16" square shafts

5 to 3 psi or 3 to 10 psi range based on the diaphragm diameter

high suction pressure with low discharge pressure

This valve body is designed to mount directly to Schneider Electric SpaceLogic M900A

Utilizing Maxitrol’s Straight-Thru-Flow (STF) design

Trane SWT3150 Pressure Switch 320788-704 06" round or 3/8" toThe Trane SWT3150 Pressure Switch is an essential safety component designed for precise draft monitoring in HVAC combustion systems. As an OEM Trane furnace part, it is calibrated to a specific set point of . 10" + . 05" WC, ensuring the inducer motor establishes a proper vacuum before ignition. In the field, technicians often encounter pressure switch errors when the draft inducer fails to pull sufficient static pressure or when there is a