Description
Johnson Controls P77BEB-9850
Reliable mechanical pressure control for protecting and regulating HVAC and refrigeration equipment
| Brand | Johnson Controls |
| Model | P77BEB-9850 |
| Voltage | Not applicable (mechanical pressure control) |
| Country of Origin | Mexico |
| Weight | Approximately 0.45 kg |
| Dimensions | Approximately 110 x 85 x 65 mm |
| Warranty | 6 months |
| Certifications | UL Listed, CSA Certified |
| SKU / MPN | P77BEB-9850 |
| What’s in the box | Pressure controller, mounting hardware, installation instructions |
| Product Type | Mechanical pressure controller |
| Primary Application | Refrigeration and HVAC system pressure control |
| Sensing Element | Pressure-responsive diaphragm |
| Electrical Requirement | Mechanical switching; no external power required |
| Mounting | Panel or equipment mounting |
| Connection Type | Refrigerant pressure connection with electrical terminals |
Key benefits: Accurate pressure sensing, durable construction, simple installation, dependable compressor protection, and low maintenance operation
Typical applications: Commercial refrigeration, condensing units, compressor protection, HVAC systems, cooling equipment, and pressure-controlled fan or pump applications
Lifecycle: Active product with ongoing industrial HVAC and refrigeration support
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.







Linda B. –
Solid relay modules, good switching capacity. Perfect for our automation panel.