Industrial replacement referenceSource-backed records · No compatibility guesswork

Caleffi · 2026 catalog

668000

½" straight thread

Weight0.6 lbFirst PDF occurrence42Official source ↗

Published catalog evidence

Exact manufacturer record

January 2026
Code
668000
Description
½" straight thread
Catalog weight
0.6 lb
Published row
668000 ½" straight thread 0.6 -

Verification boundary

What still needs to match

Do not infer interchange
Function and seriesConfirm valve, separator, manifold, fill, control, backflow, or accessory function and exact series.
ConnectionsVerify NPT, sweat, press, PEX, flange or union connection type and size.
Hydronic dutyCheck pressure, temperature, flow/Cv, materials, seals, potable/hydronic approvals, and control compatibility.
InstallationConfirm orientation, envelope, service access, and current Caleffi documentation.