The main reasons why it may not be lifting enough.
Your mains water pressure is to low, worth getting it checked.
Try cleaning inlet filter, Not useally the fault but worth checking 2 min job.
If all good then would lead to a faulty stabiliser valve.
How longs the LP neon been coming on ?
Your mains water pressure is to low, worth getting it checked.
Try cleaning inlet filter, Not useally the fault but worth checking 2 min job.
If all good then would lead to a faulty stabiliser valve.
How longs the LP neon been coming on ?
