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visually inspect motor bearings for noise or drag
Compliance: VGB/ASME anti‑entrapment rated
Extract the existing bearings
Black Plastic (NEC 680
Pentair Tubesheet/Coil Kit 400K Pool | 77707-0234 Gas Heaters visually inspect motor bearings forPentair MasterTemp Sta Rite Max E Therm 400 Tube Sheet Coil Assembly Kit (Old Tub Design) 77707 0234 The Pentair 77707 0234 is a factory replacement tube sheet coil (heat exchanger) assembly kit for select 400,000 BTU pool and spa heaters. It is used to restore heating performance when the existing coil is leaking, scaled, or internally damaged. This kit is intended for MasterTemp 400 (models 400NA and 400LP) and compatible Sta Rite Max E Therm 400
