HD Series (Heavy Duty) Cupro-Nickel Tube Sheet Coil (Heat Exchanger) is for the following Pentair and Sta-Rite heaters:
- Pentair MasterTemp
- Sta-Rite Max-E-Therm
- Coil / Tubesheet Sealing O'ring Kit.
- Insulation Kit (77707-0008).
- Ignitor (77707-0054).
- Blower Adapter Plate and Gasket Kit (77707-0011)
- The HD Series Cupro-Nickel heat exchanger can be used as a replacement heat exchanger for the standard MasterTemp 400 Natural Gas or Propane heaters manufactured before 1/12/09.