Siemens 194-2042 Pnuematic Room Thermostat 2-Pipe, Dual Setpoint, Day/Night, DA, 45/85F

Siemens 194-2042, 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 13 psi, Night 18 psi with a Fahrenheit scale.