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Caleffi · 2026 catalog

551765A

¾" press union

Weight4.9 lbFirst PDF occurrence12Official source ↗

Published catalog evidence

Exact manufacturer record

January 2026
Code
551765A
Description
¾" press union
Catalog weight
4.9 lb
Published row
551765A ¾" press union 4.9 -

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