Sporlan Controls A/C Solenoid Valve
Sporlan Controls 4278-00 3/8" ODF Normally Closed Solenoid Valve with Manual Operator
Sporlan Controls A/C Solenoid Valves: Precision Refrigerant Flow Control
When it comes to managing refrigerant flow in air conditioning systems, few names carry the authority of Sporlan Controls. As the Sporlan Division of Parker Hannifin, this brand brings over 90 years of HVACR engineering heritage to every solenoid valve it produces — making their A/C solenoid valves a first choice for technicians, contractors, and OEMs who demand reliability in demanding environments.
What Makes Sporlan Solenoid Valves Different?
Sporlan A/C solenoid valves are engineered to automatically control the flow of refrigerant — liquid or gas — throughout an air conditioning circuit. This makes them critical gatekeepers for system efficiency, compressor protection, and overall longevity. What distinguishes Sporlan's lineup is the breadth of valve configurations available and the precision of construction behind each one.
The catalog spans several key designs tailored to different A/C applications:
- Normally Closed (N/C) Solenoid Valves — The valve remains closed until energized by an electrical signal, delivering precise on-demand refrigerant flow. Many models, such as the 4215-00, feature brass bodies, stainless steel stems, and Buna-N seats rated up to 300 PSI, and carry UL and CSA listings for broad installation compliance.
- Rapid Cycle Solenoid Valves — Designed for applications that require frequent open/close cycling without premature wear, the XRN-series rapid cycle valves (such as the 3825-00 and 3875-00) address the unique stress demands of modern variable-load A/C systems.
- Bi-Directional Solenoid Valves — Models like the 4054-00 allow refrigerant flow control in both directions, making them ideal for heat pump systems and reverse-cycle A/C configurations where flow direction changes with operating mode.
- N/C Solenoid Valves with Integrated Check Valve — A particularly clever design, these valves combine a normally closed solenoid with a built-in check valve, eliminating the need to install a separate check valve in parallel. Synthetic seating material ensures tight closing, and synthetic-coated metal gaskets minimize external leaks. High-pressure variants (HP models) are rated up to 1,015 PSI for demanding commercial and industrial A/C applications.
Wide Application Compatibility
Sporlan solenoid valves are engineered for use across a broad spectrum of A/C applications, including residential systems, commercial rooftop units, heat pumps, chillers, and industrial air conditioning. Refrigerant compatibility spans legacy and modern refrigerants alike — including R-22, R-134a, R-404A, R-407C, R-410A, R-448A, R-449A, and HFO refrigerants — giving technicians the confidence that Sporlan has a valve solution regardless of the system's refrigerant type.
Connection options are equally versatile. ODF (Outside Diameter Flare) fittings are standard across many models, available in sizes commonly ranging from 3/8" through 1" and beyond, with voltage options including 24 VAC and 120 VAC to match existing system controls. Coil assemblies can often be ordered separately, and many models support conduit boss, junction box, or DIN connector configurations at no extra cost.
Built for the Field
Sporlan's history of innovation — from pioneering selective charges for expansion valves to precision electronic valve technology — carries directly into its solenoid valve engineering. The construction philosophy prioritizes straightforward installation, minimal maintenance, and long service life even in the variable-temperature, variable-pressure environments typical of commercial A/C systems. Whether you are replacing a failed valve in an existing installation or specifying components for a new build, Sporlan's solenoid valve lineup offers the configuration depth to match the job.
Browse our full selection of Sporlan Controls A/C solenoid valves — over 100 SKUs in stock — and find the right valve for your refrigerant, connection size, and operating pressure requirements.