Bell & Gossett 105104LF PDB37T Pressure Switch with 3/4 HP Motor
Bell & Gossett 105104LF PDB37T Pressure Switch with 3/4 HP Motor
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Apply for Trade Account & Terms →| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 105104LF |
| Model Designation | PDB37T |
| Motor Rating | 3/4 HP |
Designed to sense and respond to pressure differentials in hydronic and HVAC loops, this switch safeguards equipment and maintains system efficiency. The **105104LF** model, Bell & Gossett PDB37T, integrates a 3/4 HP motor for reliable actuation.
The unit uses a diaphragm element to detect pressure gaps between two points in a circuit. When the differential exceeds the preset limit, the internal lever trips the 3/4 HP motor, opening or closing the contactor to protect downstream components.
Key System Performance Baselines:
- Differential Range: Adjustable 0‑5 psi for precise control.
- Response Time: Fast actuation within 0.3 seconds to prevent over‑pressurization.
- Motor Load: 3/4 HP motor ensures reliable operation under continuous cycling.
- Operating Temperature: Designed for –20 °F to 180 °F ambient conditions.
⚠️ Application Profile: Ideal for chilled‑water pumps, boiler feed‑water circuits, HVAC condensers, and any hydronic system requiring differential pressure protection.
