Replacement Tube Sheet Coil Assembly Kit (New Tub Design) for Sta-Rite Max-E-Therm 200 and Pentair MasterTemp Pool Heaters. Tube Sheet Coil Assembly Kit (New Tub Design) for Max-E-Therm 200/MasterTemp. Tube Sheet Coil Assembly Kit (New Tub Design). Works with Sta-Rite Max-E-Therm Pool Heaters. View more great items. Aqua Products Dash Jet Robotic Above Ground Pool Cleaner (DASH). This listing is currently undergoing maintenance, we apologise for any inconvenience caused.