46
Maintenance
It is recommended that annually a competent person
a Inspects and cleans the line strainer.
b Checks the operation of the expansion relief valve and temperature & pressure relief valve.
c Recommissions the cylinder in accordance with the instructions.
Tundish
Install the Tundish in a vertical position within a maximum of 600mm from the temperature and Pressure Relief Valve drain
connection. Ensure the expansion relief pipework discharges through the tundish. Tundish pipework must be 22mm with a
minimum vertical length of 300mm below tundish.
Maximum permitted length of 22mm pipework is 9m. Each bend or elbow is equivalent to 0.8m of pipework.
All pipework must have continuous fall and discharge in a safe, visible position. If any doubt, refer to Building Regulation G3.