Pentair MasterTemp HD Cupro Nickel Tube Sheet Coil Kit | 77707-0244 Standard 2" if you are requiring this

if you are requiring this board you will need to purchase the upgrading kit R0856400

| HAXIGN1931

especially in areas exposed to high pressure or harsh pool chemicals

By integrating the power of a saltwater chlorinator with the proven benefits of Nature2 mineral technology

corrosion-resistant materials to withstand the harsh pool environment

Pentair MasterTemp HD Cupro Nickel Tube Sheet Coil Kit | 77707-0244 Standard 2" if you are requiring thisPentair MasterTemp HD Cupro Nickel Tube Sheet Coil Kit 77707 0244 Heavy duty cupro nickel heat exchanger kit for 400K MasterTemp HD heaters. Restores heating efficiency and resists corrosion. Features Cupro nickel construction for superior corrosion resistance. Restores heat transfer and heater efficiency. OEM replacement for MasterTemp and Max E Therm 400HD heaters. Includes coil, O rings, insulation, and hardware. Ideal for saltwater and high