Performed return trip to replace defective oil primary control that was not operating correctly. Installed new Resideo control module in furnace system per PO 193974-001, with parts sourced from WC Johnstone. After replacement, cycled and verified system returned to normal operation.
Responded to service call for bathroom faucet issues. Upon inspection, found vanity stop valves leaking, drain stem leaking, and failing hot side cartridge. Completed full repair by replacing shut-off valves, drain stem, and supply lines, restoring proper function to the bathroom fixture.
Responded to return service call for oil furnace shutdown. Diagnosed primary control failure causing system shutdown and temperature drop in home. Control is exhibiting noise and vibration issues that are causing intermittent operation. Completed inspection of burner assembly and identified need for replacement control component. Documented parts requirements for follow-up service.
Responded to service call for oil furnace producing banging sounds during startup and oil odor. Diagnosed delayed ignition causing fuel accumulation and subsequent loud boom upon lighting. Identified poor contact between ignition rods and igniter as the root cause, performed thorough cleaning of connections and burner area. Also noted malfunctioning draft regulator not closing/operating properly. Successfully restored normal furnace operation and placed order for replacement draft regulator.
