Work Performed Inspected natural draft boiler; main system operating normally. Boiler pressure appeared low during operation. Found the water inlet feed valve turned off. The pressure-reducing inlet valve appears to have failed, preventing proper system refilling and pressure regulation. Noted no backflow preventer on the boiler feed line, meaning boiler water could potentially enter the domestic water system. Expansion tank is older and recommended for replacement due to age and reduced reliability. Boiler was running at 12 psi even after operating for a while; temperature levels were normal. Completed and filled out the boiler inspection tag. Recommended installing a CO detector in the boiler room for safety. An estimate has already been prepared for replacement of: Backflow preventer Pressure-reducing inlet valve Expansion tank Results Boiler currently running, but system has failed inlet pressure regulator, missing backflow protection, and an aging expansion tank. These components