It is used for system exhaust. When the exhaust valve is blocked due to impurities and the seal is not tight, please remove the exhaust valve and flush the internal passage from the bottom with clean water.
For system exhaust, when the exhaust valve is not tightly sealed due to impurities clogging, remove the exhaust valve and rinse the internal passage from the bottom with clean water.
It is used for system exhaust. When the exhaust valve is not tightly sealed due to impurity blockage, please remove the exhaust valve and flush the internal channel from the bottom with clean water.