Description
The Crandall 2353-501-CSS Pneumodular Diverting Relay 3–20 PSI is a pneumatic switching device used in HVAC control and pneumatic logic systems to divert control air based on defined pressure thresholds. This relay reacts to increasing pneumatic pressure and switches a single-pole changeover contact to route air or control signals to alternate paths. Built to Crandall specifications, it delivers dependable actuation across a 3–20 PSI range for stable control logic operation. Ideal for HVAC technicians and controls contractors, it helps manage pressure-based control sequences in air handling and pneumatic control loops with repeatable performance.
Key Features
- Pneumodular diverting relay with single-pole double-throw (SPDT) switching
- Actuates based on pneumatic pressure between 3 and 20 PSI for flexible control logic
- Designed to divert control air signals in HVAC pneumatic systems
- Robust construction for stable and repeatable operation in commercial environments
- Supports dependable pneumatic control transitions and reduces system instability
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