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In this video, we demonstrate how simple it can be to replace the actuator pin on your underfloor heating system manifold, or simply UFH manifold.

The first thing you want to do is make sure you get the right pin. There are a lot of different manufacturers who'll make pins in different qualities and different pin assemblies with variable stroke lengths.

Then, start off by isolating the manifold. This means turning down the thermostats so that you eliminate the demand for heat from the manifold. This stops the underfloor heating pump and closes the zone valve.

After you isolate the UFH manifold, the next step in replacing the actuator pin is to depressurize the manifold. For this, you’ll use the fill and vent ports on the end. I simply take off the fill and vent key, attach a hose to the port, and then use the key to open up the port to depressurize the manifold.

Once depressurized, you can then remove the isolation cap and the actuator pin. Quick tip: if you have to remove multiple actuators, make sure you label which port you've taken them from.

Then, you’re all set to insert your new pin into the return manifold. Once you've attached the new pin tightly, you can close off the fill and vent port, and then remove the hose.

We hope this tutorial has made replacing the actuator pin of your UFH manifold much easier. If you have more questions about your underfloor heating system, don’t hesitate to get in touch!


For more videos like this, visit our playlist of instructional MLCP videos here: [ Ссылка ]

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Email info@multipipe.co.uk for any further enquiries, or give us a call at 01245 227 630

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