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JOHNSON CONTROLS Mechanical Lube Oil Pressure Control: 8 psi to 70 psi, 90 sec Delay - Mechanical Lube Oil Pressure Controls
JOHNSON CONTROLSMechanical Lube Oil Pressure Controls

JOHNSON CONTROLS Mechanical Lube Oil Pressure Control: 8 psi to 70 psi, 90 sec Delay

The JOHNSON CONTROLS Mechanical Lube Oil Pressure Control (SKU 20RF55, MPN P128AA-1C) is a mechanical lube oil pressure control with an adjustable range of 8 psi to 70 psi and a 90-second delay. It operates on 120V…

SKU 3G-OTH-67121

Brand
JOHNSON CONTROLS
Item
Mechanical Lube Oil Pressure Control: 8 psi to 70 psi, 90 sec Delay
Category
Mechanical Lube Oil Pressure Controls
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Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
P128AA-1C
Type
Alarm Circuit Included
Delay
90 sec
Product Type
Mechanical Lube Oil Pressure Control
Input Voltage
120V AC
Refrigerant Type
Non-Corrosive
Alarm Circuit Included
Yes
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JOHNSON CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JOHNSON CONTROLS Mechanical Lube Oil Pressure Control (SKU 20RF55, MPN P128AA-1C) is a mechanical lube oil pressure control with an adjustable range of 8 psi to 70 psi and a 90-second delay. It operates on 120V AC input voltage, is designed for use with non-corrosive refrigerants, and includes an alarm circuit.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the JOHNSON CONTROLS P128AA-1C mechanical lube oil pressure control used for?

The JOHNSON CONTROLS P128AA-1C is used to monitor and control lube oil pressure in refrigeration and HVAC compressor systems. It protects compressors by shutting down or alarming if oil pressure drops below a set point, preventing damage from inadequate lubrication.

What are the specifications of the JOHNSON CONTROLS P128AA-1C?

The JOHNSON CONTROLS P128AA-1C has an adjustable range of 8 psi to 70 psi, a 90-second delay, and operates on 120V AC input voltage. It includes an alarm circuit and is designed for use with non-corrosive refrigerants. The manufacturer part number is P128AA-1C.

Where to buy the JOHNSON CONTROLS P128AA-1C worldwide?

You can source the JOHNSON CONTROLS P128AA-1C through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the JOHNSON CONTROLS P128AA-1C lube oil pressure control?

Install the JOHNSON CONTROLS P128AA-1C by mounting it on the compressor control panel, connecting the oil pressure line to the high-pressure port and the crankcase to the low-pressure port. Wire the 120V AC input and alarm circuit per the wiring diagram. Set the delay to 90 seconds and adjust the pressure range as needed.

Used in

Common applications for JOHNSON CONTROLS
Industrial refrigeration — Johnson Controls P170SA-1C dual pressure control for compressor protection in ammonia or halocarbon systems
Chiller plant automation — Johnson Controls VA7810-HGA-2 electric globe valve actuator for modulating chilled water flow in VG7000 series valves
Pneumatic HVAC retrofit — Johnson Controls T-4002-302 conversion kit for upgrading existing Robertshaw thermostats in commercial buildings
Cooling tower water management — Johnson Controls V-4332-1007 pneumatically actuated diaphragm valve for 3-way diverting of water flow
Boiler fuel oil pressure monitoring — Johnson Controls P545NCB-25C electronic lube oil pressure control with alarm for burner management systems
Process pressure sensing — Johnson Controls P599AAPS105C pressure transmitter with IP67 rating for washdown zones in food and beverage plants

JOHNSON CONTROLS Products

3G Electric supplies JOHNSON CONTROLS mechanical lube oil pressure controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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