Pentair Tube Sheet Coil Assembly Replacement Kit | MasterTemp & Max-E-Therm 400 | 77707-0234 Spine Boards oil-free crystals dissolve easily and

oil-free crystals dissolve easily and leave your skin feeling soft and nourished

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

No electronic controls

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

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

Pentair Tube Sheet Coil Assembly Replacement Kit | MasterTemp & Max-E-Therm 400 | 77707-0234 Spine Boards oil-free crystals dissolve easily andThe 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