Do not fit a variable as a primary pump to these boilers it will still give s codes.
No point fitting an 11/4port to inch pipe the 25port pump is right for your setup.
Low loss is always going to work by removing the boiler head from the system but means mote electrics controls.Vaillant llh 45kw is the nest one for you but dh price is way out.
Practicle experience also needed one these as well as theory.
You want to save money by fitting a a rate variable you'll have to have a low loss
Will reply later - I have just been "asked" to go out by SWMBO.
Why?Do not fit a variable as a primary pump to these boilers it will still give s codes.
Why?Do not fit a variable as a primary pump to these boilers it will still give s codes.
This assumes that your original boiler Mexico boiler was working correctly.Can I ask how you have calculated the Magna 25-60 would be sized correctly?
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