Greystone GFS Pressure Switches
The GFS air pressure switch is a general purpose airflow proving switch designed for HVAC and Energy Management applications. It may be used to sense positive, negative, or differential air pressure.
• The housing contains a diaphragm, a snap-acting SPDT switch, range adjustment knob with increments
• An enclosure cover guards against accidental contact with the live switch terminal screws and the set point adjusting knob with indication.
• Includes 2 pick up tubes and 2 M (6.56’) of PVC tubing
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Do you have questions about the products on this page? Click on the ? image on the left or this link to ask us your questions! |
| #1 | Q: Looking for an air switch to install in 8 inch kitchen range hood duct, hopfully with n.o. contacts that closee with air movement at medium and or high speed, hood is rated at 750 cfm. A: Most likely the lowest range (0.08 - 1.20 WC range) one is appropriate for your blower but its hard to be sure without knowing the pressures you have in the duct at medium speed. Asked on 2021-08-27 by dean |
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| #2 | Q: What are the wetted materials? A: Diaphragm Material: Silicone, tempered at 200 C, Free of gas emissions. Pressure Connections: 2 plastic pipe connections pieces (P1 and P2), external diameter 6.0 mm. Asked on 2021-01-29 by Rick |
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Greystone AFS Pressure Switches
General purpose airflow proving switch designed for HVAC and Energy Management applications. It may be used to sense positive, negative, or differential air pressure.
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