N.Y.C. Admin. Code § MC 1307: Section MC 1307: Fuel-Oil Valves

1307.1 Building shutoff.

For outside or below ground tanks, a shutoff valve shall be installed on the fuel-oil supply line at the entrance to the building. Inside or above-ground tanks shall have valves installed at the tank. The valve shall be capable of stopping the flow of fuel oil to the building or to the appliance served where the valve is installed at a tank inside the building. Valves shall comply with UL 842.

1307.2 Appliance shutoff.

A shutoff valve shall be installed at the supply connection to each appliance and a check valve installed at the return connection.

1307.3 Pump relief valve.

A relief valve shall be installed on the pump discharge line where a valve is located downstream of the pump.

1307.4 Fuel-oil heater relief valve.

A relief valve shall be installed on the discharge line of fuel-oil-heating appliances.

1307.5 Relief valve operation.

Relief valves shall be set to discharge at not more than 1 1/2 times the maximum working pressure of the system. The discharge from relief valves shall be returned to the storage tank or to the supply line. Shut-off valves are not permitted in the line of relief.