Caleffi · 2026 catalog
535970HA
1¼" sweat union
Published catalog evidence
Exact manufacturer record
- Code
- 535970HA
- Description
- 1¼" sweat union
- Catalog weight
- 5.6 lb
- Published row
- 535970HA 1¼" sweat union 5.6 -
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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