The Johnson Controls P29AB2C Pressure Control is a durable, factory-grade device engineered for low-pressure applications within commercial refrigeration and air conditioning systems. Designed by Johnson Controls, this pressure control operates across an extensive range from 20" to 100" of water column (-68 to 690 kPa), with a differential setting from 7" to 50" (48 to 345 kPa). Its maximum working pressure of 325" (2239 kPa) and over-pressure limit of 100" (690 kPa) ensure reliable safety and performance in demanding thermal management environments. Featuring a 36" cap with 1/4" flare nut pressure connection, the device is suitable for controlling low-pressure cutout and capacity modulation, addressing critical needs in commercial refrigeration system control and HVAC workflows. Its precise switch action (SPST, open high) enhances operational safety and system responsiveness for medium-demand foodservice applications requiring precise pressure regulation.
Top AllPoints P29AB2C Features
The Johnson Controls P29AB2C pressure control offers precise all-range regulation for low-pressure refrigeration and HVAC systems. Its rugged construction ensures high durability, while the limited knob adjustment facilitates ease of calibration and maintenance. The device's compatibility with non-corrosive refrigerants makes it suitable for diverse commercial environments. Designed for straightforward integration, it provides reliable pressure cut-out and control, reducing downtime and optimizing workflow efficiency in foodservice facilities. Its broad adjustable range supports varied system demands, ensuring quick, accurate system safety shut-offs and capacity modulation.
- Function & Performance: Wide pressure range (20" to 100" WC) for versatile control
- Durability & Material: Corrosion-resistant design with all-metal components
- Ease of Use & Maintenance: Limited knob adjustment simplifies calibration tasks
- Application Fit: Suitable for plug-and-play installation in commercial refrigeration systems
- Workflow Benefit: Ensures consistent pressure regulation for smooth system operation
Ideal for system safety and capacity regulation in refrigeration and HVAC settings requiring precise low-pressure control.
Johnson Controls P29AB2C Technical Specs
The Johnson Controls P29AB2C pressure control operates as a self-contained, non-electrical, mechanical device with a 36" pressure connection fitted with a 1/4" flare nut for secure installation. It features a wide adjustable range from 20" to 100" WC and a minimal differential of 7" to 50". The device can handle maximum pressures of 325" (2239 kPa) and over-pressures up to 100" (690 kPa). Its compact dimensions of approximately 1" x 1" x 1" make it suitable for installation in confined spaces typical of commercial refrigeration equipment. Constructed from corrosion-resistant materials, this pressure control is designed for long-term durability and reliable operation in foodservice environments. It does not require external power, operating purely through mechanical pressure sensing, and supports non-corrosive refrigerants used in commercial HVAC and refrigeration units. Connectivity involves standard flare fittings, simplifying integration into existing systems.
- Electrical Requirements: None; mechanical pressure sensing
- Pressure Range: 20" to 100" WC (-68 to 690 kPa)
- Maximum Working Pressure: 325" (2239 kPa)
- Over-pressure Limit: 100" (690 kPa)
- Connection Type: 36" cap with 1/4" flare nut
- Construction: Corrosion-resistant materials suitable for continuous operation
- Dimensions & Weight: 1" x 1" x 1"; weight not specified, compact installation profile
- Temperature Tolerance: Operates within typical HVAC and refrigeration temperature ranges
- Flow Compatibility: Supports non-corrosive refrigerants in commercial systems
- Application Scope: Designed for low-pressure cut-out and capacity control in refrigeration and air conditioning systems
What is a commercial pressure control
A commercial pressure control like the Johnson Controls P29AB2C is a mechanical device used to monitor and regulate system pressure in refrigeration and HVAC applications. It functions by mechanically sensing low-pressure conditions, providing a switch action to activate or deactivate equipment to prevent system failures. Installed in systems requiring precise low-pressure management, such as commercial refrigeration units, walk-in coolers, and air conditioning systems, it helps maintain optimal operational safety and efficiency. With an adjustable range from 20" to 100" water column and a maximum pressure rating of 325", this device supports consistent system performance and safety in professional foodservice and cooling environments.
Top Commercial Pressure Control for Foodservice Environments
Robust and precise, the Johnson Controls P29AB2C pressure control is ideal for medium-volume refrigeration and HVAC applications, ensuring safe, reliable operation. AllPoints P29AB2C offers a compact footprint and dependable pressure regulation in commercial kitchens and cooling systems.
- Operation Type — medium-volume commercial refrigeration control
- Kitchen Setting — compact units in foodservice facilities
- Use Case — precise low-pressure regulation for refrigeration safety
- Workload Qualifier — moderate system throughput applications
- Application Scope — capacity modulation and low-pressure cutoff
Why Choose AllPoints P29AB2C Pressure Control?
Designed for reliability and ease of integration, the Johnson Controls P29AB2C stands out with its wide adjustable range, durable corrosion-resistant materials, and straightforward pressure connection. Its mechanical operation minimizes maintenance and ensures consistent system safety over extended service life, making it a preferred choice for commercial refrigeration and HVAC systems that demand precise low-pressure control without complex electrical requirements.
- Self-contained mechanical device with no electrical components
- Wide adjustable pressure range supports diverse system needs
- Corrosion-resistant materials extend operational lifespan
- Compact dimensions facilitate installation in tight spaces
- Designed for reliable performance with non-corrosive refrigerants