replacing a recirculating pump and non return valve on a hot water ring main on a commercial property

We we received a call from a semi commercial premises that had reported to us that they had no hot water in their kitchens or bathrooms.

After inspecting the system with found they had a hot water ring main with a recirculating pump which fed all of the fixtures.

Plant room with the hot water system and recirculating hot water ring main

I trace the whole hot water ring main out to make sure it was a complete loop, it was.

I found that the non return valve above the recirculating pump had completely worn out inside and was causing the recirculating pump to circulate in a loop causing it to finally fail

Faulty recirculating pump and nonreturn valve

I replaced the recirculating pump and non return valve with a new one.

New recirculating pump and return valve

The the electrician wide in a new timer to come on at 6am and turn off at 6pm

Timer set for 6am to 6pm

The the hot water system is now working well, they have a continuous flow of hot water and have hot water and every tap within seconds of turning them on.

If you’re experiencing any plumbing issues you can get in touch with us here

Veeken Plumbing

Or

Call 0424 661 413

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