Pressure tank will only fill up if I turn cable off going to house when I turn valve on going to house it will use water in tank but want fill back up tank cut on at 30 cuts off at 50 I checked tank pressuse its 28 psi

Punctuation full sentences good description will get you more help if you don't put any effort into your question how can I be bothered to put any effort into my answer

punctuation full sentences good description will get you more help if you dont put any effort into your question how can i be bothered to put any effort into my answerpressure tank will only fill up if I shut off water going to house