P20DB-1C Johnson Controls Pressure Control
$123.80
Air COND Pressure Control; 100/425# ADJ;36″ CAP; OPEN HI; 1HP;ENCL-OPEN; MAN RESet
Overview
The Johnson Controls P74EA-8C is a differential pressure control switch designed to sense pressure differences between two points. It features two opposing pressure elements and an adjustable range setpoint spring with a visible calibrated scale, allowing adjustments without removing the cover.
Features
- Completely enclosed contact mechanism
- Externally adjustable with a visual setpoint scale
- Automatic reset by differential
- Includes a universal mounting bracket and brass bellows diaphragms
Specifications
- Range Pressure Differential: 2 to 26 psig
- Mechanical Differential: Fixed 3.5 psid
- Contact Form: SPDT (Single-Pole Double-Throw)
- Contact Rating: 16 A @ 120 VAC
- Capillary Tube Length: 36 inches
- Maximum Operating Pressure: 120 psid
Applications
- Lube oil pressure sensing on refrigeration compressors
- Proof of flow across a chiller or water-cooled condenser
- Detecting flow in a heating system or cooling coil
- Motor actuator positioning and proving pump operation
| Weight | 4 lbs |
|---|---|
| Dimensions | 2 × 2 × 2 in |
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