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

which is a big part of what makes a seat feel comfortable and usable

Even small control issues can make a spa feel frustrating fast

more serviceable way while preserving the intended fit of the supported housing

the filter can lose the dependable support it should provide during operation

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