Tube Sheet Coil Assembly Kit. Works with Sta-Rite Max-E-Therm Pool Heaters. View more great items. Thermal Regulator Valve Kit, Zodiac Jandy JXi 200/260/400 (R0589700). Waterway Poly Gunite Roto Large Face Textured Five-Scallop Spa Jet Internal. PEN SKIMMER LID THERM WITH BUS Pentair. This listing is currently undergoing maintenance, we apologise for any inconvenience caused.