Description
The Parker-Sporlan 186332 A81 is a refrigeration evaporator pressure regulator (EPR) designed to maintain a minimum evaporator pressure, preventing the coil from operating below a set suction pressure. This ensures consistent evaporator temperatures, protects against coil frosting, and helps maintain product quality in commercial refrigeration applications.
Key Features
- Evaporator pressure regulator (EPR) — maintains minimum evaporator pressure on the suction side of the system
- 1-1/8″ ODF sweat connections for straightforward field installation
- 1-1/8″ port size for efficient refrigerant flow capacity
- Designed for use in commercial refrigeration and air conditioning systems
- Prevents coil freeze-up by holding evaporator pressure above a minimum set point
- Durable construction consistent with Parker-Sporlan’s industry-leading quality standards
Applications
- Walk-in coolers and refrigerated display cases
- Multi-circuit commercial refrigeration systems
- Air conditioning systems requiring evaporator pressure control
- Suction-side pressure regulation in medium- and low-temperature refrigeration
Specifications
- SKU: 186332
- Model: A81
- Connection Type: ODF (sweat)
- Inlet/Outlet Connection Size: 1-1/8″
- Port Size: 1-1/8″
- Brand: Parker-Sporlan
Parker-Sporlan is a trusted name in refrigeration controls and components, offering precision-engineered products for HVAC/R professionals. The A81 series EPR is a reliable solution for maintaining stable evaporator conditions and protecting refrigeration system performance.







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