Strong smell of gas near the boiler, even when it is not firing

Emergency safety warning: If you smell gas, do not operate electrical switches, use open flames, or attempt to light the boiler.

• Shut off gas: Turn off the manual gas shutoff valve to the boiler immediately.
• Ventilate area: Open windows and doors to disperse gas.
• Evacuate if strong odor: Leave the building and call your gas utility or fire department from a safe location.
• Do not attempt repairs: Gas leak detection and repair must be performed by a licensed gas technician using proper leak detection equipment.

Professional help: A qualified technician must pressure test and repair the gas piping and boiler gas train before the boiler is returned to service.