Simon,
Low pressure, or low level?
Level warning switches fairly often give odd readings. Mine makes my warning light come on when the level uis only about 1/3 of the way between max and min. I think they work on a ball-and-float system, and the float doesn't float as well as it used to.
Oli.
Low pressure, or low level?
Level warning switches fairly often give odd readings. Mine makes my warning light come on when the level uis only about 1/3 of the way between max and min. I think they work on a ball-and-float system, and the float doesn't float as well as it used to.
Oli.