Thermostats
Humidistats
and
Thermostats Controllers Sensors Relays Switches Actuators Valves Accessories
Engineering
Guide
Cross
Reference
70-6925 17
TP975 Pneumatic Diffuser Thermostat
One-pipe, single temperature, low-capacity pneumatic thermostat
used to provide proportional control of pneumatic valves and
mixing boxes in heating and air conditioning systems. It mounts in
a slot or light troffer diffuser or a return air grill.
• Two-way setpoint indicator for vertical or horizontal mounting.
• Detents in 1 F (0.5 C) increments for blind operation.
TP975 Typical Piping Application Type: Single temperature, low capacity, pneumatic
thermostat
Dimensions, Approximate: 1 in. high x 2 1/2 in. wide x 1 1/8 in. deep
(25 mm high x 63 mm wide x27 mm deep)
Airflow Usage: 0.011 scfm (5.2 mL/s)
Mounting: Wall
Operating Temperature: 110 F maximum (43 C maximum)
Storage Temperature: 150 F maximum (66 C maximum)
Remote Bulb: No
Sensor Element: Bimetal
Maximum Operating Pressure: 30 psi (207 kPa)
Accessories:
14002913-001 .005 in. Blue Filter Restriction Assembly; Inlet: 1/4 in.,
Outlets: 1/4 in. and 5/32 in.; Order in Quantities of 10
14002913-004
0.005 in. Blue In-line Filtered Restriction Assembly; Inlet:
1/4 in., Outlets: 5/32 in. and 5/32 in
M5418
MOTOR
DIFFUSER
CEILING
FILTER/
RESTRICTION ASSEMBLY
TP975
STAT
M
Product Number Action
Number
of Pipes Setpoint
Setpoint Temperature
Range
Throttling
Range
Comments(F) (F)
TP975A1009 Direct Acting 1 Single 67 F to 83 F 2 F to 10 F Requires external 0.005 in. restrictor