Honeywell Pneumatic Thermostat :
Pneumatic Thermostat, Type Liquid Filled Remote Bulb, Temperature Setting Range 65-85 Degrees Fahrenheit, Bulb Size 3/8 x 9 Inches, Capillary Length 36 Inches, Contact Action 18 PSI DA Heating and 13 PSI RA Cooling, Air Consumption 0.011 SCFM with 0.005 Inch Restriction, 0.022 SCFM with 0.007 Inch Restriction SCFM, Maximum Safe Air Pressure 25 PSI, Maximum Safe Operating Temperature 135 Degrees Fahrenheit, Throttling Range 3.5 Degrees Fahrenheit, Height 4 3/4 Inches, Width 3 3/4 Inches.
Overview
Two-pipe, single temperature, unit mounted, remote bulb pneumatic thermostat used to provide proportional control of pneumatic valves and damper actuators in heating and air conditioning systems.
Product Specifications:
Remote Bulb Yes
Setpoint Single
Action Direct Acting Heating, Reverse Acting Cooling
Airflow Usage 0.011 scfm ( 5.2 mL/s) with 0.005 in. restriction
Application Type Induction and fan coil systems
Comments Order mounting bracket, knob, hangers and scaleplate separately
Dimensions (in.) 4 3/4 in. high, 3 3/4 in. wide, 3 in. deep
Dimensions (mm) 121 mm high, 95 mm wide, 76 mm deep
Air connections Barb fittings 1/4 in. (6 mm)
Mounting Type Direct
Number of Pipes 2
Sensor Element Bulb 3/8 x 9 in., capillary 36 in. (914 mm) long
Changeover Pressure Heat 18 psi, Cool 13 psi
Maximum Operating Pressure (psi) 25 psi
Maximum Operating Pressure (kPa) 170 kPa
Operating Temperature (C) 57 C maximum
Storage Temperature (F) 150 F maximum
Storage Temperature (C) 66 C maximum
Throttling Range (F) 3.5 F
Throttling Range (C) 2 C
Type Remote Bulb Thermostat
Description Pneumatic Remote Bulb Thermostat Direct Heating, Reverse Cooling Acting
Operating Temperature (F) 135 F maximum
Setpoint Temperature (C) 19 C to 30 C
Setpoint Temperature (F) 65 F to 85 F
Robertshaw Part Numbers Listed here are now Obsolete:27447536, 2-74475-36, 8831CW, 239134,MT220F, Type B10.
This Honeywell Part is not the exact replacement part but it can not
Manufacturer: HONEYWELL
Mfg. Model#: LP916B1074, CARLP916B1074