Industrial replacement referenceSource-backed records · No compatibility guesswork

Caleffi · 2026 catalog

546308AM

1½" FNPT

Weight6.7 lbFirst PDF occurrence16Official source ↗

Published catalog evidence

Exact manufacturer record

January 2026
Code
546308AM
Description
1½" FNPT
Catalog weight
6.7 lb
Published row
546308AM 1½" FNPT 6.7 -

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