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• Please use sealant tape to seal the thread of pressure relief valve, then install it into Tee valve G3/4
outlet (As shown above).
• Please use sealant tape to seal the thread of water outlet, then install pressure relief valve, tee
valve and water outlet together. Please select a suitable position to install (As shown above).
• Please note that the outlet of pressure relief valve cannot face upward, otherwise it will always
leave some water inside.
• Anti-fouling and anti-scaling, dirt will directly affect the normal function of the safety valve
function. The drain pipe must match the drain port to ensure that the valve does not interfere with
the normal operation of the valve.
• The pressure relief valve outlet can be installed horizontally or vertically, but it cannot make
pressure outlet facing upwards, otherwise it cannot work normally. It is forbidden to block its outlet
The dirt will directly affect the normal function of the safety valve function. It requires hot water
system maintenance of anti-fouling and anti-scaling cleaning.
• The user must check the relief valve at least once a year. When checking, turn off the water
heater’s power supply and gas. Turn on the water inlet switch to create pressure in the water
system. Then gently open relief valve handle until there is water out and then gently close, if there
is no water out, indicating that the valve is invalid, this time should immediately turn off the water
heater water switch and ask the service personnel to deal with.
• Before operating the handle, check the discharge line connecting the valve to ensure that the
water drained from the valve can be drained to a suitable place.
PRESSURE RELIEF VALVE
WIRING DIAGRAM
