Raypak Tube Bundle [406A/407A Copper/Poly] (010062F) sgsinstruments A lock ring like this

A lock ring like this is useful because it helps secure related components within the assembly

The Waterco union adapter is designed for compatible plumbing systems that need a 3 inch female threaded connection on one side and a 3 inch slip connection on the other

Matching the correct 2 inch slip configuration and included weir helps preserve intended fit and dependable filtration support

Even small control issues can make a spa feel frustrating fast

and this Borg General Controls Diehl Timer is designed for compatible 120V 20A applications where the original timer has failed or become unreliable

Raypak Tube Bundle [406A/407A Copper/Poly] (010062F) sgsinstruments A lock ring like thisThe Raypak Tube Bundle [406A 407A Copper Poly] is a replacement heat exchanger tube bundle kit for compatible Raypak 406A 407A pool and spa heater systems. The tube bundle is a central heat transfer component, allowing water to move through the heater while absorbing heat from the combustion process or heating assembly. This copper poly kit is typically used when the existing tube bundle is leaking, scaled, damaged, or no longer transferring heat