Are these ball valves a suitable replacement for my two skimmers and center drain adjustment? Or is it better to pay $73 more to get the Neverlube's? I am going to replace my main pump and all plumbing is why I ask.
http://www.homedepot.com/p/Homewerks-Worldwide-2-in-PVC-Sch-40-Slip-x-Slip-Ball-Valve-VBVP40E8B/202369989
http://www.poolsupplyworld.com/Jandy-4716-NeverLube-Two-Port-Valve-2in-2-12in-Positive-Seal/4716.htm
http://www.homedepot.com/p/Homewerks-Worldwide-2-in-PVC-Sch-40-Slip-x-Slip-Ball-Valve-VBVP40E8B/202369989
http://www.poolsupplyworld.com/Jandy-4716-NeverLube-Two-Port-Valve-2in-2-12in-Positive-Seal/4716.htm