![York S1-02435979000 Air Pressure Switch — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/spec-9294925594846.png?v=1786102603&width=1946)
York S1-02435979000 Air Pressure Switch
York S1-02435979000 Air Pressure Switch
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$79.04 USD
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$79.04 USD
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SKU:309004
View full details![York S1-02435979000 Air Pressure Switch — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/spec-9294925594846.png?v=1786102603&width=1445)
The York S1-02435979000 air pressure switch is a reliable SPNO control that actuates at -0.15 in. w.c. on falling pressure. Used to prove airflow or draft in gas furnaces and air-handling equipment, it helps confirm safe operating conditions before the burner sequence is allowed to continue.
Specifications
| Type | Air Pressure Switch |
|---|---|
| Setpoint | -0.15 in. w.c. |
| Action | On Fall |
| Contacts | SPNO |