Industrial replacement referenceSource-backed records · No compatibility guesswork

Caleffi · 2026 catalog

561402A

½" MNPT x FNPT

Weight0.2 lbFirst PDF occurrence21Official source ↗

Published catalog evidence

Exact manufacturer record

January 2026
Code
561402A
Description
½" MNPT x FNPT
Catalog weight
0.2 lb
Published row
561402A ½" MNPT x FNPT 0.2 -

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.