Pneumatic Bulb Thermostat, Heating-Cooling, Low Limit, 20 Psig Direct Acting Full Output, 230 Degree Safe Bulb Temperature, 3/32"x 54" Averaging Bulb, Dial Marked: Cooler-Warmer, 30-90 Degree, Adjustable 5-25 Degree Throttling Range, 15 Psig Full Output Supply Air Pressure, 20 Psig Direct Acting (Heating) Supply Air Pressure

Pneumatic One Pipe Room Thermostat, Direct Acting, 55-85 Degree Dial Range, Includes Cover and Inserts

Pneumatic One Pipe Room Thermostat, Reverse Acting, 55-85 Degree Dial Range, Includes Cover and Inserts