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L4081

High limit, low limit and/or circulator controllers used to regulate boiler water temperature in gas- or oil-fired hydronic heating systems.

High and Low limit Aquastat Controller

L4081A1023/U

High and Low limit Aquastat Controller

High and Low limit Aquastat Controller

L4081A1155/U

High and Low limit Aquastat Controller

High Lmt. Circulator Aquastat Controller

L4081B1047/U

High Lmt. Circulator Aquastat Controller

High/Low Limit Circulator Aquastat Controller, 10F degree fixed differential, 3 in insulation depth

L4081B1096/U

High/Low Limit Circulator Aquastat Controller, 10F degree fixed differential, 3 in insulation depth