Industrial replacement referenceSource-backed records · No compatibility guesswork

Caleffi · 2026 catalog

519006

Differential pressure by-pass valve

Weight1 lbFirst PDF occurrence43Official source ↗

Published catalog evidence

Exact manufacturer record

January 2026
Code
519006
Description
Differential pressure by-pass valve
Catalog weight
1 lb
Published row
519006 Differential pressure by-pass valve 1.0 -

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.