Description
Overview
The Williams Comfort Products 7726 is a versatile SPDT (Single Pole Double Throw) air differential, vacuum, and pressure switch engineered for reliable sensing across a broad range of HVAC and combustion control applications. With a sensing range of 0.1 to 4 inches water column (” WC), this switch accurately detects changes in air pressure, differential pressure, and vacuum conditions — making it an ideal choice for proving airflow, monitoring draft, and protecting equipment from unsafe operating conditions.
Key Features
- Broad sensing range: 0.1–4″ WC for differential, vacuum, and positive pressure applications
- SPDT switching action provides both normally open (NO) and normally closed (NC) circuit configurations
- 1/8″ NPT port connection for straightforward installation into standard pneumatic or air-sensing lines
- Harrison Connector for secure, reliable electrical termination
- Compact, durable construction suited for demanding HVAC environments
- Multi-function design handles air differential, vacuum, and pressure sensing in a single unit
Application
The Williams Comfort Products 7726 pressure switch is well-suited for use in furnaces, boilers, draft inducers, combustion air proving circuits, and other HVAC systems where monitoring air pressure or vacuum is critical to safe and efficient operation. Its SPDT output allows integration into both safety lockout and status-monitoring control circuits.
Specifications
- SKU: 7726
- Brand: Williams Comfort Products
- Pressure Range: 0.1–4″ WC
- Switch Type: SPDT (Single Pole Double Throw)
- Port Size: 1/8″ NPT
- Sensing Modes: Air Differential, Vacuum, and Pressure
- Electrical Connector: Harrison Connector
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