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OnBuy.com£17.50Visit shop Pegler Bulldog 8/10Mm Angled Trv Thermostatic Radiator Valve & Lockshield 7427132487869
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This Pegler Bulldog TRV and Lockshield valve combination pack is designed for homeowners and plumbers seeking reliable radiator temperature control and system balancing. Its key benefit is offering both thermostatic regulation and manual adjustment in a single, durable unit for 8/10mm pipe connections. A potential consideration is its specific pipe size compatibility, requiring verification before purchase.
| Model Part Number | 250081 |
|---|---|
| Brand | Center |
A TRV (Thermostatic Radiator Valve) automatically controls the radiator's temperature based on the room's ambient temperature. A Lockshield valve is used for manual balancing of the heating system, ensuring even heat distribution.
This valve is specifically designed for radiators with 8mm or 10mm pipe connections and an angled valve fitting. Check your existing setup before purchasing.
The TRV head has numbered settings (e.g., 1-5). Higher numbers correspond to higher temperatures. Start with a medium setting (e.g., '3') and adjust based on how warm the room feels. The '0' setting usually stops the radiator from heating.
While straightforward for experienced DIYers, installation involves draining the heating system. If you are not comfortable with plumbing tasks, it is recommended to hire a qualified professional.
It's recommended to turn the TRV head to its maximum setting and back again at least once a year, preferably before the heating season begins, to prevent the thermostatic pin from sticking.
Balancing ensures that all radiators heat up evenly. Without balancing, some radiators might get very hot while others remain lukewarm. This improves comfort and system efficiency.
Check that the TRV head is not set to the minimum setting or frost protection. Ensure the lockshield valve is fully open. Verify that the central heating system is on and the radiator valve is not closed.
Adjust the TRV head to a lower temperature setting. If the issue persists, the lockshield valve may need to be adjusted to restrict flow to that specific radiator (requires system draining and professional adjustment).
Ensure the locking nut connecting the TRV head to the valve body is secure. If stiff, remove the head (as per care instructions) and gently work the pin up and down.
Check that all connections are tight. If leaking from the spindle, the valve may require servicing or replacement. Ensure the system is depressurised before attempting any tightening.
Compatibility: This valve set is designed for use with heating systems where the pipework is either 8mm or 10mm in diameter. It is an angled valve, meaning it is best suited for radiators where the pipe connections are on the side and require an angled approach. Ensure your existing pipework and radiator connections match these specifications before installation.
Setup:
Care:
