| 摘要 |
An insulating insert for a magnetic air valve having a metal housing. The insert minimizes electrical contact between the metal housing and wires or other conductive objects contained within the metal housing. The insert comprises an electrically insulating material, and includes an insulating sleeve having side walls, top and bottom opposite open ends, and a threaded bushing attached around a hole through one side wall of the sleeve. The bushing engages a strain relief wire connector or hollow bolt of the magnetic valve, which wire connector contains wires passing into the housing to form electrical connections with the magnetic core of the valve. The insert also preferably includes an insulating flange around the perimeter of the top open end of the sleeve to thereby further insulate the housing, and to provide a seal between the housing and an optional covering.
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