Na20767 - 1"Pex, 1" Nut, Washer - Caleffi

Brand: Caleffi
Part #: Na20767
$24.90

List Price: $38.90
🚚 Factory Ordered This item is ordered straight from the factory just for you! We'll ship it as soon as it reaches our distribution center.
* Unsure about this part? Submit a " Part Number Research " request for assistance.
Brand New Part
Not Eligible For Free Shipping
Manufacturer Warranty Included - More info
Return & Cancellation Policy - More info

Description / Na20767 - 1"Pex, 1" Nut, Washer - Caleffi

1"Pex, 1" Nut, Washer
Caleffi • Hydraulics & Valves
Na20767Seal

Caleffi Na20767 1"pex, 1" nut, washer hydronic valve replacement part

Genuine Caleffi gasket, O-ring, or sealing washer for Caleffi valve and fitting assemblies. Replacement seals restore leak-free connections at union joints, valve bodies, and port connections.

🔌 Connection Type

PEX — compatible with PEX or PEX-AL-PEX tubing using expansion or crimp fittings


🔍 What This Part Fixes

✖ Problem Symptoms

  • Leaking at union joint or port connection — O-ring or gasket compressed or damaged
  • Seal replacement required during valve service or cartridge replacement

✓ What This Restores

  • Genuine OEM seal — correct elastomer compound and dimensions for Caleffi components
  • Restores leak-free connection at valve body or union joint

🔧 Installation Overview

  1. Inspect all seals when disassembling — replace any that show compression set, cracking, or damage
  2. Lightly lubricate O-rings with silicone-compatible lubricant before assembly
  3. Do not overtighten union nuts — O-ring seals require only moderate torque

📋 Specifications

DetailValue
Part NumberNa20767
BrandCaleffi
TypeGasket / O-Ring / Seal
ApplicationCaleffi Valve & Fitting Seal Replacement
Pipe Size1"
Connection TypePEX

Need help selecting the right Caleffi part?

Our team can verify compatibility with your system before you order.

Contact Us Form