CHAPTER IV
TEMPERATURE REGULATION 59
Hand Regulation--Damper Regulator for Steam Boiler--Damper Regulators for Hot-water Furnaces--The Thermostat Motor--Combined Thermostat and Damper Regulator--Thermostat-motor Connections.
TEMPERATURE REGULATION 59
Hand Regulation--Damper Regulator for Steam Boiler--Damper Regulators for Hot-water Furnaces--The Thermostat Motor--Combined Thermostat and Damper Regulator--Thermostat-motor Connections.