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City Plumbing GB£10.03Visit shop Plumbright Pump Valve Ball Type 1 1/2X 28Mm Z21728
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B&Q£10.33Visit shop B&Q - Pump Valve Ball Type 1 1/2X 28mm Z21728
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The Plumbright Pump Valve Ball Type (28mm x 1 1/2 Inch) is an essential component for professional plumbers and DIY enthusiasts who need a reliable method to isolate circulation pumps during maintenance or replacement. Its primary benefit is the ability to quickly shut off water flow to a specific section of the plumbing system without draining the entire circuit, though users should ensure they have the proper pipe-cutting tools and thread sealants on hand to achieve a watertight seal.
| Model Part Number | Z21728 |
|---|---|
| Brand | Plumbright |
Yes, it is designed for circulation pump setups, which are typically found on hot water heating circuits.
No, this is a compression and threaded valve and does not require soldering.
The 1 1/2 inch threaded end is designed to connect to the standard inlet/outlet of the circulation pump, while the 28mm side connects to your copper pipe.
The handle is designed for a long service life, but ensure you keep it free from debris to avoid needing a replacement.
Yes, it can be installed in any orientation as long as there is enough clearance to operate the handle.
Tighten the compression nut by a quarter-turn; if it persists, check if the olive is distorted or if the pipe was cut unevenly.
Mineral build-up may have occurred; apply a light lubricant or work the handle back and forth gently to break up deposits.
Ensure sufficient thread sealant was applied and that the pump union gasket is properly seated and not pinched.
Before installing, ensure that the power supply to the circulation pump is isolated. For the 28mm compression end, ensure the pipe is deburred and clean to prevent damage to the olive. When tightening the 1 1/2 inch threaded connection, always use a high-quality plumbing paste or PTFE tape to ensure a seal against high temperatures. Avoid overtightening the compression nuts, as this can deform the olive and cause leaks. Check the valve every six months by performing a partial turn to ensure the ball mechanism remains free and does not seize due to mineral deposits or debris.
