Overview
The Belimo 22WDP-514 is an active differential pressure transmitter designed for higher pressure hydronic applications in HVAC systems. It provides precise 0…10 V analog readings across liquid lines up to 50 psi.
Features
- 0…10 V active voltage output signal
- Stainless steel sensor body built for water and glycol systems
- Weatherproof NEMA 4 / IP65 enclosure rating
- High burst pressure rating for equipment protection
Specifications
- Pressure Range: 0 to 50 psi [0 to 3.5 bar]
- Output Signal: 0…10 V
- Media: Water, water-glycol mixtures
- Enclosure Rating: NEMA 4 / IP65
- Supply Voltage: 24 V AC/DC
Applications
- Differential pressure monitoring in high-head hydronic loops
- Chilled and hot water pump speed regulation
- Monitoring pressure drop across boilers, chillers, and large heat exchangers


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