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The Cleveland Controls AFS-438 is a durable SPDT air pressure sensing switch, designed for reliable performance in HVAC systems. Engineered to detect pressure variations between 0.05 and 2.0 inches of water column, it is an essential component for maintaining optimal operational conditions.
This switch is highly valued in heating and cooling applications where precise air flow control is necessary.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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