Pentair 77707-0010 Thermal Regulator Replacement Kit Pool or Spa Heater 5" plumbing and has a

5" plumbing and has a spigot connection on one end and union on the other

Auto Protector

This housing cover is designed to use with Hayward PowerFlo II pump models SP1705

Nautilus Plus NS60

Pentair 77707-0010 Thermal Regulator Replacement Kit Pool or Spa Heater 5" plumbing and has aThis thermal regulator kit is designed to use with Pentair Sta Rite Max E Therm pool and spa heaters and also compatible with Pentair MasterTemp pool and spa heaters. Kit includes spring clip, etc. Features: Thermal regulator replacement kit Fits Pentair Sta Rite Max E Therm pool and spa heaters Also fits Pentair MasterTemp pool and spa heaters Kit includes spring clip, etc.