i have a biasi combi and it is going in the loft it has a built in programer but i would like a programer in the kitchen how do you wire the new programer in to the new boiler that has a built in programer
i have a biasi combi and it is going in the loft it has a built in programer but i would like a programer in the kitchen how do you wier the new programer in to the new boiler that has a built in programer