Meet the Plumb Pak 1/2 in. FIP x 3/8 in. Compression Brass Straight Valve—where dependable performance meets simple, space-conscious installation. With a chrome-plated brass body and a precise quarter-turn handle, this valve delivers smooth operation and lasting durability for your residential water supplies.
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Inlet/ Outlet configuration: 1/2" FIP (female iron pipe) inlet paired with a 3/8" compression outlet, designed for reliable connections to common supply lines and fixtures.
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Material & finish: Solid brass core with a corrosion-resistant chrome-plated exterior for everyday use in kitchens, bathrooms, and laundry areas.
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Valve operation: Quarter-turn lever allows fast, decisive shut-off—great for quick repairs, leak checks, or servicing under sinks.
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Safety & compliance: Lead-free brass construction supports safe potable water delivery.
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Packaging: Sold bagged as a single straight valve for straightforward replacement in tight spaces.
Why this valve stands out
Instead of bulky configurations or soldered joints, this Plumb Pak valve provides a compact, ready-to-install solution that reduces installation time and the chance of leaks. The combination of a threaded inlet and compression outlet accommodates common plumbing setups, making it a versatile upgrade for new builds and quick repairs alike. The durable chrome finish resists mineral buildup and wipes clean easily, keeping fittings looking sharp even in high-use areas.
Ideal for
- Homeowners and DIY enthusiasts upgrading under-sink supply lines.
- Plumbers seeking a reliable, lead-free valve for kitchen, bathroom, or utility connections.
- Renovations where a compact, straight valve simplifies routing around tight cabinets and cramped spaces.
Use cases and practical applications
Install this valve to connect a 1/2" FIP water supply line to a 3/8" compression hose, such as a faucet supply line or a dishwasher/wash machine supply line. Its straight design minimizes elbow use, helping you maintain clean, straight runs that look and function better. The lead-free brass construction ensures safe delivery of drinking water, meeting modern code expectations for residential plumbing.
Installation tips
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Inlet connection: For the 1/2" FIP inlet, apply an appropriate thread sealant or PTFE tape to the mating male pipe threads before tightening the valve. Hand-tighten, then snug with a wrench for a leak-free seal.
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Outlet connection: Prepare the 3/8" compression outlet by sliding on the compression nut and ferrule onto the 3/8" OD tubing, insert into the valve, and tighten according to standard compression-fitting guidelines.
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Sizing check: Verify that your supply line and fixture hoses match the 1/2" FIP and 3/8" compression sizes to ensure a seamless fit.
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Maintenance tip: Operate the valve periodically to prevent seizing and extend the life of the stem seal—especially in areas with infrequent use.
Technical snapshot
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Brand: Plumb Pak
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Finish: Chrome-Plated
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Material: Brass
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Turn Type: Quarter Turn
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End 1 Type: FIP
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End 1 Size: 1/2"
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End 2 Type: Compression
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End 2 Size: 3/8"
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Lead Content: Lead-Free
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Usage: Water Supply
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Packaging Type: Bagged
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Number in Package: 1
