The Kleinn FIT7 complete fittings kit includes all 1/4" NPT fittings and controls used in the HK7 Problaster Horn Kit. The package lists the kit-specific pressure switch, safety valve, drain cock, elbow compression fitting, hex plug, a momentary push button and thread sealant, offering a full replacement set for building or servicing the HK7 horn system.
Kleinn HK7 Complete Set of Fittings