Thermostats
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Reference
70-6925 13
TP972 Pneumatic Heating/Cooling Thermostat
Two-pipe, one- or two-temperature, pneumatic thermostat used to
provide proportional control of pneumatic valves and damper
actuators in heating and air conditioning systems. Replacement
kits are available for Johnson, Powers, Robertshaw, Barber-
Colman, and older Honeywell two-pipe pneumatic thermostats.
• Durable TP970 Series Thermostat. Pilot operated for high capacity.
• Two-temperature energy conservation model available.
• Adapter plate in Convertastat kits covers existing thermostat
wallmark.
• Backplate has molded air connections-no separate fittings needed.
• Universal locking cover with satin chrome finish and horizontal,
vertical, or blank window options with Tradeline model-other covers
available.
TP972 Typical Piping
Application Type: Wall Thermostat, Heat/Cool Operation
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 Heating, Reverse Acting Cooling
Airflow Usage: 0.011 scfm (5.2 mL/s)
Mounting: Wall
Operating Temperature: 100 F maximum
Storage Temperature: 150 F maximum (66 C maximum)
Remote Bulb: No
Sensor Element: Bimetal
Maximum Operating Pressure: 25 psi (170 kPa)
Accessories:
14002362-001 Duct Sampling Chamber
14002430-001 Thermostat Guard
14003923-001 20 to 25 psi spring
14004439-001 Setpoint Extension
14003192-001 Wallplate adapter kit. Adapts HP970 or TP970 series
stats to HP900 and TP900 flush mounted and TP910 series flush or
surface mounted installations
14004447-001 Setpoint Cam Assembly for TP970A1004, A1012,
A1020, A1038, A1046, A1053, A1095, A2004, A2012, A2020, A2038,
A2053, A2095; TP970C; TP972A1143, A2143; TP973A1001, A1019,
A1127
14004447-002 Setpoint Cam Assembly for TP970B1002, B1010,
B1028, B1036, B2002, B2010, B2028, B2036; TP970D;
TP972A1002, A1010, A1028, A1044, A2002, A2010, A2028, A2044;
TP973B1009, B1017, B1025, B1108
14004447-003 Setpoint Cam Assembly for TP971A, C, D;
TP972A1168, A2168, A2176
14004447-005 Setpoint Cam Assembly for TP970B1044; TP972A1051,
A1101
305965 1-1/2 in. diameter, 1/8 NPT center stem back mount Pressure
Indicating gauge (0 to 30 psi scale) with +/- 4% accuracy
AK3863 Honeywell Thermostat Tool Kit, TP970/TP900
CCT729A Gauge Adapter for Calibration. Add 305965 0 to 30 psi
gauge for Complete Tool.
CCT735A Thermostat Calibration Tool includes Allen wrench for cover
installation.
Replacement Parts:
14001865-001 Filter Cartridge Assembly
14002374-004 Restrictor Block Assembly,.005 in., For TP970A-D;
TP971A-E except C; TP972A; TP973A-B; TP9600 family; HP970A-B;
and HP972B
14002573-001 Modernization Kit to convert all 1 & 2 pipe Honeywell &
competitive pneumatic stats to TP970, TP971A, TP972, TP973,
TP974, TP9600 family; HP970, HP971 and HP972
14004460-001 Nozzle, Throttling Plate and Bimetal Assembly, DA, Left
side
14004460-002 Nozzle, Throttling plate and Bimetal Assembly, reverse
acting, left side
TP972A OR
TP9620A
13 PSI
(90 kPa) RA
18 PSI
(124 kPa)
DA
N.O.
M B
S/W
HOT WATER/CHILLED
WATER SUPPLY
C3542-1
Product
Number
Number
of
Pipes
Set-
point
Setpoint Temperature
Range Changeover
Throttling
Range
Includes Comments**(F) (C) (psi) (kPa) (F) (C)
TP972A2002 2 Single 60 F to 90 F — Heat 18 psi,
Cool 13 psi
Heat 124 kPa,
Cool 90 kPa
2 F to
10 F
—Order Cover
Separately
—
TP972A2010 2 Single — 15 C to 30 C Heat 18 psi,
Cool 13 psi
Heat 124 kPa,
Cool 90 kPa
—1 C to
5 C
Order Cover
Separately
—
TP972A2036 2 Dual Heating
50 F to 75 F,
Cooling
60 F to 90 F
—Heat 18 psi,
Cool 13 psi
Heat 124 kPa,
Cool 90 kPa
2 F to
10 F
— Energy Conservation
Model, Order Cover
Separately
Two concealed
setpoint knobs
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