Industrial replacement referenceSource-backed records · No compatibility guesswork

Caleffi · 2026 catalog

551050AT

2" MNPT

Weight30 lbFirst PDF occurrence13Official source ↗

Published catalog evidence

Exact manufacturer record

January 2026
Code
551050AT
Description
2" MNPT
Catalog weight
30 lb
Published row
551050AT 2" MNPT 30 -

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