Where do you start when it comes to central heating in manchester? do you need a gas or oil powered system? what’s the best type? Ums ltd is a specialist contractor undertaking all aspects of drainage. Servicing boilers on a regular basis is a proactive way to help eliminate downtime when a boiler’s interior is plagued by corrosion and deposit accumulations, wear and energy consumption increases dramatically trautman’s customized boiler treatment programs help reduce energy costs and condition.