I have an 18,000 gallon salt water pool/spa that has a cracked Hayward S311SXV sand filter (side mount) that I need to replace as soon as possible. According to Hayward, this filter has an effective filtration area of 4.95 ft. and a design flow rate of 99 GPM. I would potentially like to replace the filter with a Hayward S310T2 sand filter (top mount) that has an effective filtration area of 4.91 ft. and a design flow rate of 98 GPM. I know I will have to re-work some plumbing to convert from side mount to top mount, but other than that should I be OK given the similar/same specs between the two units?
FYI. I am considering the change in model due mainly to price.