Caleffi · 2026 catalog
304758A
¾" PEX expansion union 17
Published catalog evidence
Exact manufacturer record
- Code
- 304758A
- Description
- ¾" PEX expansion union 17
- Catalog weight
- 0.6 lb
- Published row
- 304758A ¾" PEX expansion union 17 0.6 -
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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