Honeywell SW2-US 2-SPDT Auxiliary Switch

The Honeywell SW2-US Auxiliary Switch is an essential part of HVAC systems which is aimed to improve control and increase the possibilities. This SPDT auxiliary switch works in conjunction with MS and MN Series thermostats to provide the ability to switch other parts or systems in the HVAC configuration. It offers another toggling point, and the option to enable or disable external equipment in response to the thermostat. This flexibility is a major plus in numerous uses, like switching on humidifiers, dehumidifiers, ventilators, or even the second source of heat/cooling.