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  1. R

    Pump impeller screw needed?

    I took my Whipserflo wfe-4 filter pump apart to change a leaky seal, earlier this year it had run while half full due to leakage issues which have been fixed. To my surprise I found the impeller screw head was missing! Looked it had boiled away, all that was left was a point where the head had...
  2. R

    retrofit - adding SWG to pool/spa/solar

    Friend of mine has a 25-30 year old pool, he wants to add an SWG, re-plumb the solar side to replace out the old solar and check valves (which don't seem to be checking!), along with adding solar shut-offs and a bypass valve to control the water pressure to the solar panels (it sometimes blows...