Armstrong Air ASTAT503-1 Outdoor Thermostat Unitary Three sets of Universal IAQ 1186645 This enthalpy sensor is voomi_id_17796
Baker’s notes & crumb story
Description
Armstrong Air ASTAT503 1 Outdoor Thermostat Unitary Three sets of Universal IAQ 1186645 This enthalpy sensor is voomi_id_17796 Three sets of Universal IAQ contacts to control humidification The Johnson Controls T 4000 605 Universal Thermostat Conversion Kit is designed for comprehensive upgrading of pneumatic room instruments