Hoping one of the pool Guru's who's posts i've been reading here on TFP can throw a little advice my way. Have not gotten consistant answers from the pool folks here in Cincinnati.
Have a 20 or so year old Hayward S-240 that developed a vertical crack in the lower housing half. Patched it this past weekend with fiberglass mat over a 3rd of the inside of the tank. Started leaking after 24 hours of run so think the UV has softened the tank material up enough that it's just done. Hayward no longer makes this part and reccomends the S244S as a replacement. Am curious about a few things before making the $500 - $600 investment in a new S244S.
- Should we look at a different tech like DE or cartridge? Have been happy with efficiency of the sand since switching to Zeo media several years ago. Only downside I see to sand is the amount of water used to backwash which is not a problem here, we got a whole river full of the stuff. Would you use the "effective" filter area measurement from our S-240 as a guide for sizing say a DE unit or do you size filters using flow?
- Feel like our system is a bit undersized for the pool. We treat the pool as 36,000 gal which seems to work when adding chemicals etc.. System is all 1.5" with a 1.5 HP Super Pump. Seems a bit undersized only because feel like we loose 50% + flow (per my highly calibrated & government certified eyeball test )with only a 3 - 4 PSI increase in pressure from "clean" filter. Runs about 31 PSI clean and seems to almost stop flowing when it gets up to 35 PSI, we replace the cheapo guage every year so while the absolute pressure may not be terribly accurate, pretty sure the 3 - 4 PSI range is about right. In an effort to lengthen the time between backwash would there be a problem going to a larger area sand filter? Would our 1.5 HP Super Pump provide enough flow to backwash a larger filter effectivly?
- Would upgrading to a larger pump be worth looking at while re plumbing for the filter? My thinking is that the 1.5" piping is the limiting factor in flow so any gains would be minimal. Imagine our old Super Pump is a real turd when it comes to efficiency, whould it be worth looking at a more modern unit to improve this? Is there an efficinecy vs flow chart out there somewhere one could use to compare?
- How do you change the media in these new Hayward filters? Looks like the only way in is through the top, what is it like a 6" opening? Guessing its a pain & involves a shop vac?
- Anyone happen to know if our old SP710X32 Vari-Flo valve would fit on the new Hayward filter tanks? Can't seem to find any dimensional drawings of this valve or the SP710X62. Imagine that.
Any thoughts would be greatly appreciated.