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Caleffi · 2026 catalog

577876A

1¼" press union

Weight8.9 lbFirst PDF occurrence16Official source ↗

Published catalog evidence

Exact manufacturer record

January 2026
Code
577876A
Description
1¼" press union
Catalog weight
8.9 lb
Published row
577876A 1¼" press union 8.9 -

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.

Related catalog codes

Same code prefix

8