Roxbury boiler service
Annual boiler maintenance in Roxbury homes ensures safe, efficient heating and avoids dangerous pressure buildup.
Boilers over 10 years old in Roxbury’s older residential buildings often accumulate sludge in heat exchangers and suffer from oxidized safety valves. Technicians flush the system with non-toxic descaling solution, inspect burners for carbon buildup, and test ignition sequences. They check expansion tank pre-charge and adjust system pressure to match manufacturer specs—typically 12–20 psi cold—ensuring optimal heat delivery through radiators and baseboards.
Pressure relief valves are replaced proactively, even if they appear functional, as gaskets degrade over time and can seize shut. A stuck valve risks dangerous over-pressurization, while a dripping one indicates internal erosion. Plumbers install new valves with matching threading and verify proper discharge piping to an open drain or floor drain, following state code for pipe slope and material type.
After service, plumbers run the boiler through a full heating cycle, measuring temperature deltas across supply and return lines to confirm efficiency. They reset controls to seasonal settings and document all readings. Homeowners get a checklist showing each tested component and advice for winter prep—like bleeding radiators monthly—to extend system life between tune-ups.

