Low pressure Uponor Combi Boiler

Mand2000 · 2024-11-16T22:07:50+0000

Hello,

My boiler pressure has dropped just below 1.

Trying to increase closer to 1.5, however first time and unsure on the process

Read the manual, but doesn't give clear instructions. Anyone have an Uponor Combi Pro XU boiler and can advise?

These valves are all at the top of the boiler

Know it will be something simple! Just can't find anything clear.

Thanks in advance
M

RandomGrinch · 2024-11-16T22:38:38+0000

Mand2000 said:
Know it will be something simple! Just can't find anything clear.

It appears as if the filling loop assembly may be mounted underneath the cover - not really something simple!
The item circled in green on your image, is a "flushing bypass" valve and unrelated to topping up the system pressure.

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Low pressure Uponor Combi Boiler

Mand2000

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