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hi all Iam installing a new combi oil boiler the old boiler (system boiler) had 28mm feed and flow connections new combi has 22mm Iam ok to connect the 22mm straight into the 28mm pipes
Discuss 22mm to 28mm boiler in the USA area at PlumbersForums.net
Yep doesn’t it come with female threads eg for a male iron ?
it wont affect flow or pressureShould be fine yes
grand mate many thanksFor the same flow rate through 28mm the velocity will be less but that doesn't really cause problems on small domestic systems.
The system will still work fine.
pro 21If its 22mm that's the 26kw combi or smaller goes up to 28mm on 35kw combi connections are all tectite.
Reply to 22mm to 28mm boiler in the USA area at PlumbersForums.net
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