Praher Multiport Valve [TM-22-E] [2" FPT] (TM-22-E) checkvalves Back up rings help reinforce

Back up rings help reinforce sealing assemblies so gaskets and o-rings can perform more reliably under pressure

That helps restore scheduling function without redesigning the broader control arrangement

Improves replacement confidence and long-term reliability

where maintaining dependable internal stability and alignment is essential to overall system reliability

while the pressure-switch configuration helps preserve the original operational design of the spa

Praher Multiport Valve [TM-22-E] [2" FPT] (TM-22-E) checkvalves Back up rings help reinforceThe Praher TM 22 E multiport valve is built for compatible 2 inch female threaded plumbing and is intended for larger filtration systems that require a properly sized central control valve. In these systems, the right multiport valve helps keep water routing reliable and service operations more predictable. This version is especially practical when the system already uses a 2 inch threaded layout and you want to avoid introducing a different plumbing