Cold Weather Catalog - Chromalox Precision Heat and Control
Cold Weather Catalog - Chromalox Precision Heat and Control
Cold Weather Catalog - Chromalox Precision Heat and Control
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<strong>Control</strong>sWTWall MountedResidential & CommercialRoom ThermostatTHERMOSTATS& CONTROLS• 22 Amps, 120 Vac - 240 Vac18 Amps, 277 Vac• 45 - 75°F Temperature Range• Ivory Color• Mounts in St<strong>and</strong>ardElectrical BoxDescriptionThe WT-121 <strong>and</strong> WT-122 Room Thermostatsare designed to control individual heaters ormay be used with an external contactor. TheWT-121 provides heat control with a SPSTsnap action switch (open on rise) for breakingone line of the power source. The WT-122 alsois a heat control but uses a DPST snap actionswitch <strong>and</strong> will break both lines of the powersource.Both models include heat anticipators—assuringcloser <strong>and</strong> more even temperatureregulation.WARNING: Hazard of Fire. The WT thermostatsare designed for temperature controlservice only. Because they are not fail-safe,they should not be used for temperature limitingduty.Dimensions2.86(73)2.14(54)4.72(110)Front ViewSpecifications <strong>and</strong> Ordering InformationSide ViewAll Dimensions in Inches (mm )Model Type Temp. Range (˚F)Voltage/Current120V 208V 240V 277VWT-121 SPST 45-75 22A 22A 22A 18A S 309999 1WT-122 DPST 45-75 22A 22A 22A 18A S 310009 1StockStock Status: S = stock AS = assembly stock NS = non-stockPCNWt.(Lbs.)79
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