Raypak 336A/337A ASME Tube Bundle (010057F) grasslin It is often replaced when

It is often replaced when the original plate is cracked

Helps restore dependable startup sequencing support

That makes it easier to stay within the intended pump design rather than improvising with a seal that only partly matches the application

The 23426-042-700 is a practical service part when a compatible Typhoon 200 jet needs an internal to restore dependable massage-jet performance

Helps restore better surface-skimming action

Raypak 336A/337A ASME Tube Bundle (010057F) grasslin It is often replaced whenThe Raypak ASME tube bundle is designed for compatible 336A and 337A heater applications where the supported heat transfer assembly needs replacement. A tube bundle is useful because it forms one of the core internal heating sections of the heater, helping transfer heat effectively into the water system. This replacement is especially useful when the original bundle is leaking, scaled, damaged, or no longer dependable. Matching the correct ASME