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The FORD METER BOX csun-4 is a union nut designed for use with 1-inch meter setters equipped with a copper horn connection. This fitting secures the union joint between the meter setter and the service line, maintaining a leak-free connection in water metering assemblies. It is a replacement or spare component supplied separately from the full setter assembly. Licensed plumbers and water utility contractors install this part during meter setter service, meter change-outs, or repair of existing union connections on 1-inch service lines.
The csun-4 union nut is suited for residential and light commercial water service applications where 1-inch meter setters are installed. It is intended for use specifically with the copper horn-style union configuration common in municipal water meter installations. This component is ordered as a stand-alone part when the nut is damaged, lost, or requires replacement without pulling the full setter assembly.
Designed as an OEM-style replacement union nut for FORD METER BOX 1-inch meter setters with copper horn union configurations.
Installation should be performed by a licensed plumber or water utility technician. Shut off water service at the curb stop before disassembling any meter setter union joint. Hand-tighten the union nut before applying a wrench to avoid cross-threading the copper horn fitting. Follow all applicable local plumbing codes and utility standards governing meter setter service and water main connections.
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