My RO/DI is making a high pitched hum at start up...
I have a auto shut off hooked up with a check valve with a line going to my sump (auto top off)
The unit is connected to my main water line (3/4") with a saddle valve (needle valve)
Only about 2 weeks old...
The hum is getting really anyoning because it happens every 10 mins...
Why is it dong this...?
I have a auto shut off hooked up with a check valve with a line going to my sump (auto top off)
The unit is connected to my main water line (3/4") with a saddle valve (needle valve)
Only about 2 weeks old...
The hum is getting really anyoning because it happens every 10 mins...
Why is it dong this...?