Q how do i know how old my boiler is? If you change your mind and wish to cancel then all you have to do is call (lines open monday to friday am-pm, saturday am-pm) or use the. Designed to be used in sinks and toilets, this eco drain unblocker from ecozone breaks down soap, organic residues, grease and toilet paper without causing any damage to your septic tank or plumbing system. Received angie’s list super service award! Thermostatic valves are fitted to the radiator itself and allow the.