Overview
The Belimo 22WDP-535 is an active differential liquid pressure sensor engineered for high-range differential pressure monitoring in HVAC hydronic systems. It measures pressure across a 0 to 100 psi range and delivers an active 4-20 mA output signal to building management systems.
Features
- Rugged stainless steel housing rated NEMA 4 / IP65
- High burst and overpressure resistance for demanding installations
- Active 4…20 mA output signal for seamless BAS integration
Specifications
- Pressure Range: 0…100 psi
- Output Signal: 4…20 mA
- Overpressure: 230 psi
- Enclosure Rating: NEMA 4 / IP65
Applications
- Differential pressure sensing in water, water-glycol, and hydronic systems
- Pressure tracking across HVAC pumps, boilers, and heat exchangers



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