Hi. My boiler is about 20 feet away from the kitchen taps. The water to the sink hot tap takes quite a long time to get really hot. The current feed to all taps in the house is 15mm pipe; I'm thinking of running a length of 10mm pipe from the boiler to the kitchen hot tap so that less volume of water has to be shifted through the pipe. The dishwasher, and all other taps would stay on the 15mm feed. What are your thoughts on this idea?