be wary of cast iron rads on new boilers, apparently some manufacturers do not approve
Don't use their boilers then
be wary of cast iron rads on new boilers, apparently some manufacturers do not approve
be wary of cast iron rads on new boilers, apparently some manufacturers do not approve
Don't use their boilers then
be wary of cast iron rads on new boilers, apparently some manufacturers do not approve
Don't use their boilers then
I dont do installs so i dont use any boilers (just bits of them)
An Ethos will deliver 23 litres/min, that is unvented cylinder territory. Backup? Put an instant electric heater in the combi outlet. Want a secondary circulation loop to give instant DHW at the taps? They have one. All done!!
The Ethos is highly cost effective..and delivers.
An Ethos will deliver 23 litres/min, that is unvented cylinder territory. Backup? Put an instant electric heater in the combi outlet. Want a secondary circulation loop to give instant DHW at the taps? They have one. All done!!
The Ethos is highly cost effective..and delivers.
Now to heat 23 li/min with an electric heater will require about 60 kW.
I really don't think a combi on an old steel piped system is a good idea.
The heat exchanger will be subject to a load of crud - the Magnaclean whilst good is designed to let the crud pass once it (quickly) fills up. Furthermore the Magnaclean only pulls ferrous detritus from the water.
If you must have an instantaneous supply the ACV Heatmaster 35 does not have a heat exchanger that can fill up with debris and can be attached to gravity pressure or pressurised CH and HW if needed. But it is pricey.
I'd suggest an old fashioned boiler such as a Kidd for this application if the budget will stretch.
Whatever happens, it should be retained as an open vent system, because as your adviser suggested, those lovely iron rads may not hold up under a sealed system.
The size of meter is obviously related to the size of boiler, Kidds start at 25kW, then 46kW etc so I don't see your point.
Interestingly, Kidd boilers are not on the internet which might explain your misunderstanding?
The rads can fail on the joints between sections at sealed system pressures, best not go there and then there's not a problem.
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local