We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

JOHNSON CONTROLS Differential Pressure Control: SPST, Close on Fall, 208V/240V, 30 psi Max Diff - Low Side - Differential Controls
JOHNSON CONTROLSDifferential Controls

JOHNSON CONTROLS Differential Pressure Control: SPST, Close on Fall, 208V/240V, 30 psi Max Diff - Low Side

The JOHNSON CONTROLS P74AA-1C is a SPST differential pressure control with automatic reset and a close-on-fall switch action. It is rated for 208V and has a maximum differential pressure of 30 psi on the low side…

SKU 3G-OTH-66813

Also listed as: P74AA1C · P74AA 1C

Brand
JOHNSON CONTROLS
Item
Differential Pressure Control: SPST, Close on Fall, 208V/240V, 30 psi Max Diff - Low Side
Category
Differential Controls
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
P74AA-1C
Type
Close on Fall, 208V/240V, 30 psi Max Diff - Low Side, Adj
Reset Type
Automatic
Rated Voltage
208V
Switch Action
Close on Fall

Technical Documents

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JOHNSON CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JOHNSON CONTROLS P74AA-1C is a SPST differential pressure control with automatic reset and a close-on-fall switch action. It is rated for 208V and has a maximum differential pressure of 30 psi on the low side, adjustable. This device is designed for monitoring and controlling pressure differentials in industrial systems.

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 P74AA-1C differential pressure control used for?

The JOHNSON CONTROLS P74AA-1C is used to monitor and control pressure differentials in industrial HVAC, refrigeration, and process systems. Its SPST switch closes on falling differential pressure, making it suitable for low-pressure alarms or cut-in control in applications where maintaining a minimum differential is critical.

What are the specifications of the JOHNSON CONTROLS P74AA-1C?

The P74AA-1C is a SPST differential pressure control rated for 208V/240V with automatic reset. It features a close-on-fall switch action and a maximum differential pressure of 30 psi on the low side, adjustable. The manufacturer part number is P74AA-1C, and it is a JOHNSON CONTROLS product.

Where to buy the JOHNSON CONTROLS P74AA-1C worldwide?

3G Electric supplies the JOHNSON CONTROLS P74AA-1C differential pressure control worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this part to any country.

How to install the JOHNSON CONTROLS P74AA-1C differential pressure control?

Install the P74AA-1C by connecting the high- and low-pressure lines to the appropriate ports, ensuring the low side sees the controlled pressure. Wire the SPST switch per the 208V/240V rating. Adjust the setpoint using the external screw. Always follow local electrical codes and the manufacturer's manual for safe installation.

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 differential controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
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This differential pressure control features SPDT switch action that opens and closes on both rise and fall of differential pressure. It is rated for 208V/240V with automatic reset and a setpoint of 3.5 psi. Commonly used in HVAC, refrigeration, and industrial fluid systems to monitor and switch electrical circuits based on pressure differential changes
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