You’ll be immediately connected with a licensed plumber (on call plumbers are available around the clock). One of our licenced plumbers will come out and unblock your blocked drain from only $99 simply call us on. Press ctrl + d to bookmark this page for later or tell your friends about it with. The city of edmonton, # 7257995-001. Since 2005, pretty much all new gas combi boilers have been wall-mounted condensing.