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Bronze straight press-fit adapter with FNPT end

Viega

Viega 79320 Bronze Press-Fit 1 in FNPT 1/2 in Straight Adapter Trap

SKU CH-K6XR-DHWN6 MPN 79320

Bronze press-fit adapter connects 1 in copper tube to 1/2 in FNPT for potable water at 200 psi and 250 Degrees F

  • Product typeDrain Components
  • Main materialBronze
  • Press-fit connection installs without soldering for potable water systems
  • Bronze construction meets ASTM B75 and ASTM B88 standards for durability
  • Straight adapter joins 1 in press-fit to 1/2 in FNPT in one fitting
  • EPDM O-ring seals up to 200 psi and 250 Degrees F operating limits
  • Compact 1 27/32 in overall length fits tight plumbing spaces

Bronze Press-Fit Adapter for Potable Water

The Viega 79320 is a straight adapter that joins a 1 in press-fit copper tube to a 1/2 in FNPT thread. It is designed for potable water systems and suits plumbers who need a reliable transition between press and threaded connections.

Bronze Body with EPDM Seal

The fitting is made from bronze to ASTM B75 and ASTM B88, rated for 200 psi and 250 Degrees F. Its press-fit end uses an EPDM O-ring for a secure, leak-free joint without soldering, while the FNPT end accepts standard threaded pipe or components.

Verify Tube Size and Thread Compatibility

Confirm that the existing copper tube is 1 in CTS and that the mating component has a 1/2 in FNPT thread. The overall length is 1 27/32 in, so check available space before ordering.

How it compares

Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.

Price $24.99
Cheaper than about 58% of the 4,240 comparable items (median $31.99).

Specifications

Product
Brand nameViega
Model name79320
Product typeDrain Components
Size & build
Main materialBronze

Questions about this item

What pressure does the 1 in press-fit connection handle?

The bronze adapter is rated for a maximum operating pressure of 200 psi.

What copper tube size and overall length must the rough-in accommodate?

It accepts 1 in copper tube and measures 1 27/32 in overall length.

How is the press joint completed, and what step is often missed?

Use a Viega-compatible press tool on the 1 in end; the 1/2 in FNPT side threads on. A common error is pressing before the tube is fully seated against the stop.

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