Jacuzzi Sundance Stainless 1/4-18" NPSM x 3/8" Barb Adapter (6540-171) checkvalves This type of part is

This type of part is especially useful when replacing a configuration-specific LC lead in a spa pack that already supports blower

or excess friction

Part (6-113-00) is useful when diagnosing flow

Useful when the original assembly is leaking or unreliable

It is a practical choice when restoring clear flow visibility is part of keeping the system running with more confidence

Jacuzzi Sundance Stainless 1/4-18" NPSM x 3/8" Barb Adapter (6540-171) checkvalves This type of part isJacuzzi Sundance Stainless 1 4 18" NPSM x 3 8" Barb Adapter (6540 171) is a replacement adapter fitting for compatible Jacuzzi and Sundance spa plumbing or jet system applications. Adapter fittings connect specific thread and barb styles, helping transition between components where the original equipment requires the same configuration. Use this part when replacing a worn, leaking, cracked, corroded, or missing adapter. Because fittings are size