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Using a L-21N level switch in carpet cleaner tanks is a great way to have level control. Keeping up on maintenance and inspecting hoses will help prolong the life of the level switch and the carpet cleaner. Having a kinked hose on the carpet cleaner could create a surge on the motor generating an
Optional Filter Boot Available On Harwil Flow And Level Switches Harwil Corporation has added a unique optional filter boot to its existing Model L-8 series and Model L-30 series liquid level switches. This boot protects the seal area from intrusion of particle contaminates which can build up and cause mechanical sticking of switch actuation. Recent