The Caleffi F0000698 is a union nut with a 1 in connection for Caleffi small union valves products, providing the union joint that lets the host valve or separator be installed and removed without cutting pipe.
Product data compiled from Caleffi North America technical documentation. Last reviewed July 2026.
FunctionUnion Nut
For LineSmall Union Valves
Connection1 in
Warranty2 Years
Key Features
Genuine Union Nut
Correct thread form and depth for the matching Caleffi union tailpiece and body.
Genuine Caleffi Part
Factory fitting with correct dimensions and sealing geometry.
Technical Data
| Function | Union Nut |
|---|---|
| For product line | Small Union Valves |
| Description | 1 in Slip Nut |
| Connection size | 1 in |
Related Products
Caleffi NA104041 in Union NutCaleffi 59817A1 in Nut & Tailpiece KitCaleffi 59834A1 in Nut & Tailpiece KitCaleffi NA100091 in Tailpiece
Frequently Asked Questions
What does the Caleffi F0000698 fit?
It is the genuine fitting for Caleffi Small Union Valves products. Match your host model number and connection size before ordering.
2-Year Limited Warranty. Backed by Caleffi North America's limited warranty against defects in material and workmanship for two years from date of shipment. See Caleffi's limited warranty for full terms.
- Type:
- Union Nut
- For Product Line:
- Small Union Valves
- Connection Size:
- 1 in