54 Results
Filters 9
Popularity Product Name Mfg. Part Number Order Number

SPST, Open on Fall, SPST/Manual Reset, SPNO, Solid State, Open-on-Fall, None, DPST/SPST, DPST, Analog Out

Pressure Control B18-822
Pressure Control
Application: Low Pressure; Reset Type: Auto; Switch Action: SPST, Open on Fall; Cut-In PSI: 60; Cutout PSI: 40; Conn.: 36" Leads;
Brand: Johnson Controls Mfg #: P100AP-10C
Catalog Pg.: 1309 View Similar Items
Hydronic Switching Relay L37-916
Hydronic Switching Relay
Switch Action: DPST/SPST; Volts: 120; F/L Amps @ 120V: 7.4; L/R Amps @ 120V: 44.4; F/L Amps @ 240V: 3.7; L/R Amps @ 240V: 22.2;
Brand: Resideo Mfg #: R845A1030
Catalog Pg.: 535 View Similar Items
Enclosed Fan Relay L38-129
Enclosed Fan Relay
Coil Voltage: 208/240; Switch Action: SPNO;
Brand: White-Rodgers Mfg #: 90-292Q
Catalog Pg.: 331 View Similar Items
Line Voltage Thermostat L37-841
Line Voltage Thermostat
Switch Action: DPST; Color: White; Height: 4-1/2"; Width: 2-1/2"; Depth: 1";
Brand: TPI Mfg #: D2022H10BA
Catalog Pg.: 625 View Similar Items
Line Voltage Thermostat L39-739
Line Voltage Thermostat
Switch Action: DPST; Color: Premier White;
Brand: Resideo Mfg #: T4398B1029
Catalog Pg.: 315 View Similar Items
Line Voltage Thermostat L37-496
Line Voltage Thermostat
Switch Action: DPST; Color: Ivory; Height: 4-1/2"; Width: 2-1/2"; Depth: 1";
Brand: TPI Mfg #: D2022H10BB
Catalog Pg.: 625 View Similar Items
Delay On Make Timer B13-620
Delay On Make Timer
Time Delay: 10 to 1,000 Sec. Adj.; Volts: 18 to 30VAC; Switch Action: Solid State;
Brand: ICM Mfg #: ICM104B
Catalog Pg.: 335 View Similar Items
Post Purge Fan Time Delay B13-627
Post Purge Fan Time Delay
OEM Replacement for: Field Controls: 46144700; Gemline:1C216; Mars: 32393; Switch Action: Solid State; Secondary Voltage: 18-30 VAC; Control Action: OFF Delay; Time Delay: OFF = 12 to 390 Sec.; Volts: 18 to 30VAC;
Brand: ICM Mfg #: ICM253B
Catalog Pg.: 329 View Similar Items
24 Hour Electromechanical Timer G36-501
24 Hour Electromechanical Timer
Description: 24-Hour Mechanical Time Switch; Volts: 208-277; Switch Action: DPST; Amps: 40; Time Range: 24 hour; Includes: one ON and one OFF tripper;
Brand: Intermatic Mfg #: T104
Catalog Pg.: 1312 View Similar Items
24 Hour Electromechanical Timer G36-500
24 Hour Electromechanical Timer
Description: 24-Hour Mechanical Time Switch; Volts: 125; Switch Action: DPST; Amps: 40; Time Range: 24 hour; Includes: one ON and one OFF tripper;
Brand: Intermatic Mfg #: T103
Catalog Pg.: 1312 View Similar Items
P20 Series Air Conditioning Limit Control L36-926
P20 Series Air Conditioning Limit Control
Switch Action: Open-on-Fall; Pressure Range PSIG: 7 to 150; Diff. PSIG: Manual Reset; Max. Pressure: 250;
Brand: Johnson Controls Mfg #: P20BB-1
Catalog Pg.: 1318 View Similar Items
Control Module with RJ45 Modbus Network Port L47-334
Control Module with RJ45 Modbus Network Port
Description: Control Module with RJ45 Modbus Network Port; Switch Action: None;
Brand: Johnson Controls Mfg #: C450CRN-1C
Catalog Pg.: 1298 View Similar Items
Delay On Make Timer B13-619
Delay On Make Timer
Time Delay: 10 Min. Adj.; Volts: 18 to 240VAC; Switch Action: Solid State;
Brand: ICM Mfg #: ICM102FB
Catalog Pg.: 335 View Similar Items
System 450™ Control and Expansion Module L44-829
System 450™ Control and Expansion Module
Description: Power Module; Switch Action: None;
Brand: Johnson Controls Mfg #: C450YNN-1C
Catalog Pg.: 1298 View Similar Items
5101 Series Unit Heater Thermostat X89-805
5101 Series Unit Heater Thermostat
Description: Unit Heater Thermostat; Switch Action: DPST; Mounting: In-Built; Wt. Lbs.: 1;
Brand: TPI Mfg #: T5102
Catalog Pg.: 630 View Similar Items
Line Voltage Wall Thermostat L36-079
Line Voltage Wall Thermostat
Switch Action: DPST;
Brand: White-Rodgers Mfg #: 1A66-641
View Similar Items
Control Module with RJ45 Ethernet Network Port L47-333
Control Module with RJ45 Ethernet Network Port
Description: Control Module with RJ45 Ethernet Network Port; Switch Action: None;
Brand: Johnson Controls Mfg #: C450CEN-1C
Catalog Pg.: 1298 View Similar Items
System 450™ Control and Expansion Module L45-648
System 450™ Control and Expansion Module
Description: Control Module 2 Analog; Switch Action: Analog Out;
Brand: Johnson Controls Mfg #: C450CQN-4C
Catalog Pg.: 1298 View Similar Items
System 450™ Control and Expansion Module L45-647
System 450™ Control and Expansion Module
Description: Control Module 1 Analog; Switch Action: Analog Out;
Brand: Johnson Controls Mfg #: C450CPN-4C
Catalog Pg.: 1298 View Similar Items
Cooling Tower or Evaporative Condenser Control L39-493
Cooling Tower or Evaporative Condenser Control
Switch Action: DPST; Range: 25°F to 90°F; Diff.: 4°F to 25°F;
Brand: Johnson Controls Mfg #: A72AE-1C
Catalog Pg.: 1302 View Similar Items
System 450™ Control and Expansion Module L45-652
System 450™ Control and Expansion Module
Description: Expansion Module 2 Analog; Switch Action: Analog Out;
Brand: Johnson Controls Mfg #: C450SPN-4C
Catalog Pg.: 1298 View Similar Items
System 450™ Control and Expansion Module L45-651
System 450™ Control and Expansion Module
Description: Expansion Module 1 Analog; Switch Action: Analog Out;
Brand: Johnson Controls Mfg #: C450SQN-4C
Catalog Pg.: 1298 View Similar Items
Pressure Control Fan Cycling Pressure Switch B16-916
Pressure Control Fan Cycling Pressure Switch
Application: Fan Cycling; Reset Type: Auto; Switch Action: SPST, Open on Fall; Cut-In PSI: 275; Cutout PSI: 210; Conn.: 18" Leads; Pressure Range PSIG: 210 - 275; Diff. PSIG: ±10; Conn. Size: 1/4 SAE Female Flare Fitting; Low Range PSIG: 210; Low Pressure Diff. PSIG: ±10; High Range PSIG: 275; High…
Brand: MARS Mfg #: 43306
View Similar Items
Pressure Control Fan Cycling Pressure Switch B16-912
Pressure Control Fan Cycling Pressure Switch
Application: Fan Cycling; Reset Type: Auto; Switch Action: SPST, Open on Fall; Cut-In PSI: 170; Cutout PSI: 110; Conn.: 18" Leads; Pressure Range PSIG: 110 - 170; Diff. PSIG: ±10; Conn. Size: 1/4 SAE Female Flare Fitting; Low Range PSIG: 110; Low Pressure Diff. PSIG: ±10; High Range PSIG: 170; High…
Brand: MARS Mfg #: 43302
View Similar Items
FTL Finance
Powered by Site Search powered by SLI Systems

© 2025 Johnstone Supply. All rights reserved.

Select products to compare.
Compare