Siemens 194-2043, Room Thermostat, Pneumatic, DA, Fahrenheit, Dual Setpoint, Day/Night, 2-pipe.
This Powerstar Retroline Day/Night Retrostat Pneumatic Room Thermostat Chassis is a 2-pipe, Dual Set Point, Direct Acting, Day 15 psi, Night 20 psi with a Fahrenheit scale. Replaces Johnson Controls T-4506-201, T-4506-202, T-4506-203, T-4506-204.
Mounting: 2 pipe
Display: Dual Setpoint
Operating range: Day/Night
Measuring range: Fahrenheit
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