H000042 | Raypak Heat Pump Bypass Assembly Hayward H400FD Heat Exchanger By controlling scale and metal-related

By controlling scale and metal-related problems

walk-in service techs use R0357800 for lid-to-base sealing

Model-Specific Compatibility: Precisely fitted for Raypak 406A (atmospheric) and 407A (Low-NOx digital) heater models

Versatile Application: Suitable for pools

ensuring perfect alignment and secure connection

H000042 | Raypak Heat Pump Bypass Assembly Hayward H400FD Heat Exchanger By controlling scale and metal-relatedThe Raypak H000042 Bypass Assembly Kit is a genuine OEM replacement designed for use with Raypak heat pump models R5350, R6350, and R8350, as well as Perfectemp models P5350, P6350, and P8350. This bypass assembly helps regulate water flow through the heat pumps coils by diverting excess flow during cold or low load conditions. Proper use of this kit improves heater efficiency, reduces stress on compressors, and helps protect components during startup