HP37 Four Step Thermostat

• Monitors temperature in a single zone from a single remote sensor.
• Large display shows zone temperature.
• Controls up to four steps of transformer speed control.
• One heating output relay.
• Heating setpoint relative to ventilation setpoint.
• Variable bandwidth.
• Min. and Max. temperature recall.
• Temperature can be displayed in °C or °F.
• Indicator lamps show the relay outputs.