Pentair Tube Sheet Coil Assembly Replacement Kit | MasterTemp & Max-E-Therm 400 | 77707-0234 Spine Boards No electronic controls

No electronic controls

inspect the inlet fitting adapter threads and seating surfaces for chemical scale buildup — calcium deposits from chlorine tablets are common and can prevent a proper seal

The C-8610's 8 1/2" OD and 23 5/16" length are the primary fitment dimensions — always cross-reference your OEM part number (e

To stop foaming problems caused by algaecides it is best to turn off water features and spa jets to allow foam to settle

Pentair Tube Sheet Coil Assembly Replacement Kit | MasterTemp & Max-E-Therm 400 | 77707-0234 Spine Boards No electronic controlsThe Pentair Tube Sheet Coil Assembly Replacement Kit (77707 0234) is the replacement heat exchanger assembly for the Pentair MasterTemp 400 and Pentair Sta Rite Max E Therm 400 pool and spa heaters. IMPORTANT: HEATER COMPONENT PROFESSIONAL SERVICE REQUIRED Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high voltage components without proper