I'll have to think that one over for awhile a very informative blog, as usual, and voted up! Apply online via the planning portal. Would you like to schedule an appointment? We are dedicated to providing the best possible solution for your home or business you can count on us to provide you with a system and solution that fits your unique needs and since we've installed many systems in this area, we've earned a reputation for doing the job right the first time. Combi boilers use the mains water pressure.