Great professional service very reliable thanks for all your work! Jon, came round on a sunday, when my old boiler died and fixed it again quick, highly knowledgeable, use him, definitely. Sign up to get the latest promotions, new releases and freebies! Navien tankless water heater combi. We can help supply a variety of products for all of your heating and cooling needs from kohler and lennox to grundfos and maxx, we have it all and much more! Gets work done fast.