The knurled nut is too tight on our 8890 split vent trap and I can't get it undone. Does anyone have a trick for getting it unscrewed? It has not been changed since we got the equipment last year.
The knurled nut is too tight on our 8890 split vent trap and I can't get it undone. Does anyone have a trick for getting it unscrewed? It has not been changed since we got the equipment last year.
