Caleffi · 2026 catalog
520610AC
001 1" NPT male union, check valves 2.0
Published catalog evidence
Exact manufacturer record
- Code
- 520610AC
- Description
- 001 1" NPT male union, check valves 2.0
- Catalog weight
- 3.8 lb
- Published row
- 520610AC 001 1" NPT male union, check valves 2.0 3.8 -
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.
Related catalog codes
Same code prefix
1.7 lb520419A½" sweat union 2.01.7 lb520419AC½" sweat union, check valves 2.02 lb520519A¾" sweat union 2.02.1 lb520519AC¾" sweat union, check valves 2.03.7 lb520619A001 1" sweat union 2.03.8 lb520619AC001 1" sweat union, check valves 2.01.7 lb520416A½" press union 2.01.7 lb520416AC½" press union, check valves 2.0