Honeywell VP525C, Engineering Manual, Page: 57 / 228

Temperature Sensors
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70-6925 49
TP974 Pneumatic Temperature Sensor
One- or two-pipe direct-acting temperature sensor used with
RP908/RP920 Controllers to provide proportional control of
pneumatic valve and damper actuators.
• Plug-in air connections.
• High efficiency air filter.
• Bimetal element.
• Continuous temperature indication available by using receiver gage.
TP974A Typical Piping
Application Type: Temperature Sensor
Dimensions, Approximate: 3 1/4 in. high x 2 in. wide x 1 5/8 in. deep
(83 mm high x 51 mm wide x 41 mm deep)
Action: Direct Acting
Airflow Usage: 0.019 scfm (9 mL/s)
Maximum Operating Temperature:
110 F (43 C)
Maximum Operating Pressure: 25 psi (170 kPa)
Output Pressure Range: 3 psi to 15 psi (21 kPa to 103 kPa)
Supply Pressure: 16 to 25 psi (110 to 172 kPa)
Pneumatic Sensor Accessories
Pneumatic Sensor Replacement Parts
M
2 3
1
4 8 9
VALVE
RP920
M5567
TEMP
GAGE
TP974
M
B
Product Number
Number
of Pipes
Sensor
Element
Temperature Sensing Range
Mounting Description Comments (F) (C)
TP974A2000 1 or 2 Bimetal 50 F to 100 F 10 C to 38 C Vertical or Horizontal
Wall Mounting
Pneumatic Temperature
Sensor Direct Acting
Order Cover
Separately
Product Number Description Used With
309379
Screen for LP914 LP914
311085/0107
Sunshield for LP914A1011 LP914A1011
314439
Duct Mounting Clip for Averaging capillary LP915
315046A
Well, 1/2 NPT Copper, 15 1/2 in. (392 mm) long LP914
315046B
Well, 1/2 NPT Copper, 7 1/2 in. (191 mm) long LP914
315602
Inner Filter LP914, LP915; LP907
315904A
Well, 1/2 NPT Stainless Steel, 15 7/16 in., 394 mm LP914
315904B
1/2 in. NPT stainless steel Well, 7 5/16 in. (186 mm) long LP914
Product Number Description Used With
14002374-006 Restrictor Block Assembly, 0.007 in, 2 pipe for TP974A TP974A
14004664-001
0.36 inch diameter Wool felt filter LP915A