Zonefirst SPS Pressure Switch 30067439-890 the VG7000-1016 ensures precise stem

the VG7000-1016 ensures precise stem alignment and consistent seating force

5A and 135A

The unit features a 1/4" barb connection for standard pneumatic tubing and is engineered for surface mount installation

Common signs include the furnace igniting for a few seconds and then shutting down

Zonefirst SPS Pressure Switch 30067439-890 the VG7000-1016 ensures precise stemThe Zonefirst SPS is a ruggedized dual static pressure switch designed for contractors who need precise modulating control over HVAC bypass dampers. Engineered with two fixed factory settings of 0. 2" WC and 0. 3" WC, this unit integrates seamlessly with RDM and ZDM dampers to manage bypass air without the need for complex field calibration. Its SPST snap acting electronic switches ensure a definitive response: the damper powers open above 0. 3" WC