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The P7911C PressureTrol® Controller is a line voltage pressure controller for pressure systems up to 300 psi (206 kPa). The P7911C provides On/Off Control, High Limit and 4 to 20 mA pressure valu


  • Use only with steam, air or noncombustible gases that do not corrode the pressure sensing element.
  • Models available in 15, 150 and 300 psi (103, 1034 and 2069 kPa) maximum setpoints .
  • Light Emitting Diode (LED) indicators show power, call for heat function and lockout status. .
  • Clear cover allows setpoint and differential to be read, but not adjusted without opening the cover..
  • Manual reset possible without opening the cover. .
  • Electronic maximum fixed stop limit..

Product Specifications

On-Off and Limit Control plus Pressure Sensor
Dimensions (in.)
5 1/4 in. high x 4 21/32 in. wide x 3 3/8 in. deep
Dimensions (mm)
133 mm high x 119 mm wide x 86 mm deep
Used With
R7911 Sola Steam Controller
Case: Plastic
Item Type
50 Hz; 60 Hz
Approvals, Underwriters Laboratories Inc.
Listed: File No. MP466, Vol 30, Sec 1
Approvals, Canadian Standards Association
Certified: Certificate 1355621 (LR095329)
Electrical Connections
Screw terminals
Operating Humidity Range (% RH)
5 to 95% RH, non-condensing
Contact Ratings
120 Vac Switch Contact-- 9.8 AFL, 58.8 ALR, 10.0 A resistive
Power Consumption
3.6 W, 4.7 VA @ 50Hz; 3.3 W, 4.0 VA @ 60 Hz
120 Vac
Operating Temperature Range (F)
32 F to 140 F
Operating Temperature Range (C)
0 C to +60 C
Approvals, Factory Mutual
Approved: Certificate 3018936
Sensor Element
Stainless Steel, solid state sensor
Operating Range (psi)
0 to 300 psi; 450 psi - Maximum Sustained
Operating Range (kPa)
0 to 2068 kPa; 3103 kPa - Maximum Sustained
Switching Action
Break on pressure rise
Pipe Connection
Main or High Pressure--1/2 in. NPT internal thread
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