HomeProductsProcess InstrumentationPressure SwitchesWPS COMMERCIAL DIFFERENTIAL PRESSURE SWITCH



Field applications include: monitoring air filters and ventilators, overheating protection for fan heaters and controlling air and fire protection flaps, protection for heat exchangers, flow in ventilation ducts and controlling


Excellent solution in BAS and HVAC applications requiring monitoring and control
Low pressure differential switch for monitoring pressure, vacuum and differential pressure of air and other non combustible, non aggressive gases
Pressure indicating adjustment knob allows for simple field changes without the need of a pressure gauge
Pressure ranges in both Inches of Water (and Pascals), from 0.08 to 16.0 (20-4,000)
Single-pole double-throw (SPDT) switch type with 0.01A 250 VAC output
The compact size allows for hassle-free installation in small areas
CE, RoHS & REACH compliant
5 year warranty
An HVAC pressure switch is a pressure-detecting instrument used as an automatic safety feature. If you’re looking for an HVAC pressure switch, look no further! We offer some of the top-performing HVAC pressure switches in the market.


    Additional information

    Housing Material

    Grey colour Polyamide 6.6 plastic

    Window Cover Material

    Frosted Polystyrene resin

    Deadband Accuracy

    +/- 15% of upper and lower pressure ratings

    Pressure Connection

    2 x plastic pipe connection, 6.0mm (1/4″) external diameter, labelled P1 & P2

    Electrical Connection

    Flat plug 6.3mm x 0.8mm or push-on screw terminals with PG-11 or M20x1.5 cable strain relief

    Wetted Partst

    Silicone based diaphragm, tempered at 392oF (200oC)

    Set Point Adjustment

    Field adjustable knob

    Contact Rating

    1.0A 250VAC output, 0.1A 24VDC (low voltage version)

    Number of Contacts

    Single-pole double-throw (SPDT)

    Maximum Operating Pressure Temperature

    1.45 psi (10 kPa)

    Ambient/Process Temperature

    -4oF to 185oF (-20oC to 85oC)

    Storage Temperature

    -40oF to 185oF (-40oC to 85oC)

    Enclosure Rating



    CE, RoHS & REACH compliant

    Typical Life

    Over 106 switching operations


    150g with cover, 110g without cover

    Mounting Position

    Vertical installation with pressure connections pointing downwards

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