The Spirocombi looks good, but appears to be only available in 22mm. I have 28mm from boiler, pump etc for a short distance until it splits to upstairs and downstairs zones, so the question is - will reducing to 22mm briefly for the filter then back up to 28mm - will that inhibit flow sufficiently to be a bad idea overall?
The Magnabooster 2 comes in 22mm and 28mm.
In that case you are up the creek as the SpiroCombi and SpiroCombi Magnabooster only come in 22mm size.Thanks, but it is the SpiroCombi I'm looking at fitting (it is a deaerator as well).The Magnabooster 2 comes in 22mm and 28mm.
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