Description
The York S1‑024‑35262‑000 is a genuine OEM pressure switch designed for residential and light‑commercial furnaces, air handlers, or HVAC systems. This “close‑on‑fall” switch monitors air (or draft) pressure within your system — ensuring proper inducer / blower operation and helping protect the unit from unsafe conditions such as blocked vents, clogged filters, or improper airflow.
Key Features
- Pressure threshold: 1.2″ WC — Calibrated to close when system pressure is at or falls below 1.2" WC, ensuring proper vacuum/airflow before startup or continued operation.
- SPNO (Single Pole, Normally Open) — Close‑On‑Fall action — Switch closes circuit under correct pressure conditions; opens and interrupts circuit if pressure drops, providing safety.
- OEM compatibility — Genuine York part, designed to meet factory specifications and be a direct replacement in furnaces/air‑handlers that originally used this part.
- Enhances safety & airflow protection — Prevents operation when airflow or draft conditions are unsafe, reducing risk of overheating, poor combustion, or damage to internal components.
- Compact and lightweight — Easy for HVAC technicians to install or replace during maintenance or repair.
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