Industrial replacement referenceSource-backed records · No compatibility guesswork

Caleffi · 2026 catalog

523177A

1¼” sweat union 7.6

Weight9 lbFirst PDF occurrence56Official source ↗

Published catalog evidence

Exact manufacturer record

January 2026
Code
523177A
Description
1¼” sweat union 7.6
Catalog weight
9 lb
Published row
523177A 1¼” sweat union 7.6 9.0 -

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.