

Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The York S1-6AYY3 is a brass union featuring a 1/4-inch FNPT connection. This product serves to connect two pipes or fittings securely, ensuring a leak-proof seal. It is a genuine OEM replacement part.
This union is ideal for use in plumbing systems where a reliable and tight connection is necessary.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!