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The MALCO CD2250/25 is a heavy-duty 1/4 inch flare brass valve cap designed for use on refrigerant service ports and similar valve fittings in HVAC systems. Each cap features a built-in core wrench tool on top, allowing technicians to remove or install Schrader valve cores without a separate tool. A neoprene o-ring seal is integrated into the cap to provide a reliable, leak-resistant closure at the service port. This pack includes 25 caps, making it a practical choice for stocking a service van or shop inventory. HVAC technicians and refrigeration mechanics are the primary installers of this fitting.
These valve caps are suited for use on 1/4 inch flare service ports commonly found on residential and light commercial refrigeration and air conditioning equipment. The built-in core wrench function streamlines service calls by combining two tasks into one compact fitting. The neoprene o-ring provides a secondary seal that helps prevent refrigerant loss at the valve stem when the cap is in place. This multi-pack format reduces per-unit cost and ensures caps are on hand for routine service, startup inspections, and equipment commissioning.
Designed for use on standard 1/4 inch flare refrigerant service ports found on residential and light commercial HVAC and refrigeration equipment.
Installation is performed by licensed HVAC or refrigeration technicians. Recover or isolate system refrigerant as required by EPA Section 608 regulations before removing any existing valve cap or servicing the Schrader core. Thread the cap onto the service port by hand, then snug firmly to compress the neoprene o-ring without overtightening. Inspect the o-ring for damage before reuse and replace the cap if the seal shows cracking or deformation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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