Caleffi · 2026 catalog
535371HA
1¼" NPT female union, gauge
Published catalog evidence
Exact manufacturer record
- Code
- 535371HA
- Description
- 1¼" NPT female union, gauge
- Catalog weight
- 5.8 lb
- Published row
- 535371HA 1¼" NPT female union, gauge 5.8 -
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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