Alpha E-Tec 20S
We haven't tested this product in the Which? test lab, but here is a product overview based on our experiences of other models from this brand.
The Alpha E-Tec 20S is a system boiler with a relatively small heat output of 20kW. Find out how Alpha’s reliability, customer satisfaction and the views of heating engineers compare with the best boiler brands on the market in our full review.Sign up or Log in to see full overview.
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