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 N40DKC pressure balancing valve issue
Author: rothse99 (CO)

I recently installed a Boyel-Living shower (overhead main and hand held). I am not getting enough hot water to either. They sent us a new valve, same issue. Any ideas to fix? More details below:

The hot side of the valve has no pressure. Cold side has full pressure through the valve.
I pulled the valve to verify hot & cold are on proper inlets to the valve body. Hot on left, cold on right. Full pressure in each, also ensured the valve body was getting full pressure to BOTh inlets. Flushed 3 gallons through each line/side. Insert valve: open cold side - full flow. Open hot side: a trickle.

Checked diverter & screens to the prop elbow & shower head - full pressure. No clog - Cold side. Hot & cold - full pressure. Tried valve again with no luck.

Shut off the hot & cold line, pull the valve, tear apart the valve to see if it is impacted - It is not impacted. Put the valve back together - seems to work fine.

Re-install the valve. Turn on the hot side only - trickle. Turn on th cold side only - full pressure. Took out the valve body again & completed the entire process 5 times - Same results.

Called Boyel Living Tech Support. Answer was a new valve stem. Received replacement valve stem to install on January 30, 2024.

Completed clean out first. Took all steps to ensure proper flow to the valve body & proper hook up of cold & hot side to valve body. Installed new valve replacement with the same results.

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