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Mercury Free Heat Only Thermostat with Positive Off for control of single stage low voltage heating systems
The Q340A and Q390A thermocouples generate a thermoelectric current that senses a pilot flame on gas-fired heating systems
and outside air temperatures
and (1) SPDT switched output
VAV-SD2A-E No Image HTML5 graphicsThe VAV E lines combine the power and precision that today's modern building applications demand. Fully programmable, these controllers can support a range of applications from complex air handling units to the latest terminal end unit devices, and everything in between.
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