Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws
powerflushing a one pipe system or a microbore system with twin entry valves would more than likely be unsuccessful.
alot of the time though, it comes down to whether the customer is willing to pay for a powerflush.
out of interest, like for like combi swap and a flush
what are you charging ?
best to talk prices in the arms, join up.
what admin do you need to ask to join up ?
Reply to the thread, titled "Boiler changes" which is posted in Boiler Advice Forum on Plumbers Forums.
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