Is your old boiler on the blink, and you have no hot water ? Alternatively, find your local. It goes without saying that if you try all of this and nothing works, you may need to call a plumber but why not try it yourself first? Combi, no water tank and more efficient. Safe alternative that really works! I am getting ready to call scott fewer about the cost of installing a new. Thanks for printing! don't forget to come back.