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Honeywell RP972 Pneumatic Reversing Relay

Pneumatic Reversing Relay

A modulating relay suitable for all types of heating and air conditioning control systems to reverse and increase the capacity of the branchline pressure to the final control element. The output varies inversely with the input with an adjustable offset. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.

• Reverse acting.
• In-line mounting or can be wall or panel mounted with mounting clip provided.
• Molded plastic construction with neoprene diaphragms.

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Cat #Includes
RP972A100614003030-001, 1 1/2 in. Mounting Clip for Mounting relay to wall or panel
Type: Pneumatic Reversing Relay
Dimensions, Approximate: 1 1/2 in. diameter x 2 1/4 in. deep (38 mm diameter x 57 mm deep)
Airflow Usage: 0.002 scfm (1.0 mL/s) maximum
Air Connections: Barb fittings for three 5/32 in. (4 mm) and one 1/4 in. (6 mm) O.D. plastic tubing
Capacity: 0.039 scfm at 1 psi differential (18 mL/s at 5 kPa differential)
Operating Humidity Range: 5 to 95% RH
Temperature Range: 0 F to 140 F (-18 C to +60 C)
Maximum Safe Operating Pressure: 30 psi (205 kPa)

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