Check the listing for details. HONEYWELL T678A1437 REMOTE BULB TEMPERATURE CONTROLLER. Condition: New. Listed at 175.99 USD. BRAND NEW! HONEYWELL T678A 1437 REMOTE BULB TEMPERATURE CONTROL 2 STAGE 5' CAPILLARY 0-100F. DescriptionRemote bulb thermostats regulate temperature of air or liquids in ducts, pipes, tanks and boilers. FeaturesSuitable for applications requiring temperature control of air or liquids where controller must be placed outside the sensing area.Typical uses include control of dampers and valves in heating, cooling and heating-cooling systems.Fast response models (available for use in return air duct) operate approximately four times faster than standard models.Controller can be mounted in any position. Ambient temperature compensation provides good temperature control.Refer to T775 Electronic Remote Temperature Controller where more exact control is required and/or remote controller location is preferred.T678 models have a maximum connected load of 2000 VA.SpecificationsApplication: Regulates temperature of air or liquids in ducts, pipes, tanks and boilersOutput Type: RelayType: Remote BulbOutput: 2 SPDT switch contactsVoltage: 120 Vac or 240/277 VacFrequency: 50, 60 HzDimensions: 5-5/8 in. high x 2 in. wide x 2-5/8 in. deepSensor Element: Copper BulbNumber of Sensor Inputs: 1