Caleffi · 2026 catalog
573493A
½" sweat union inlet, ½" FNPT union outlet
Published catalog evidence
Exact manufacturer record
- Code
- 573493A
- Description
- ½" sweat union inlet, ½" FNPT union outlet
- Catalog weight
- 1.7 lb
- Published row
- 573493A ½" sweat union inlet, ½" FNPT union outlet 1.7 -
Verification boundary
What still needs to match
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.
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