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Controls & Actuators

Browse Controls & Actuators worldwide from 3G Electric — 12,911 products in stock from OMRON, Parker, Siemens & more. Compare specs & order online.

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Page 738 of 1292

Replacement control board for HVAC systems, managing ignition, fan, and safety functions in furnaces and air handlers. Direct-fit component for select LENNOX equipment, providing control of heating and cooling cycles.

LENNOX

LENNOX 39W76 Replacement Control Board

BrandLENNOX

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Single-pressure control with SPST contact form, auto reset, and open-on-fall switch action. Pressure set point range 0 psi to 735 psi. Rated 36V DC. Used in HVAC and refrigeration systems to monitor low-pressure conditions and protect compressors and pumps.

RANCO

RANCO RHS-90120 Single-Pressure Control

BrandRANCO

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Electric sequencer for HVAC systems, used to control the staged energizing of electric heating elements. It sequences heating elements to prevent electrical overload and ensure consistent heat output in residential and commercial furnaces.

LENNOX

LENNOX Electric Sequencer 72F83

BrandLENNOX

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Flow switch for detecting liquid flow in HVAC and boiler systems. Used to prove water flow before burner ignition, preventing dry-fire damage. Suitable for commercial heating, pool heaters, and process water applications.

RAYPAK

RAYPAK Flow Switch 007142F

BrandRAYPAK

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IEC thermal overload relay with integrated bimetallic elements for motor protection. Rated 36 A to 45 A, 3 poles, with 1NO/1NC auxiliary contacts and screw terminals. Compatible with Frame Size S2 contactors. Maximum voltage rating 690V AC.

Siemens

Siemens 3RU21364GB0 IEC Thermal Overload Relay

BrandSiemens

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Dwyer

Dwyer 4B-33-LV 1/4 DIN Digital Temperature Controller

BrandDwyer

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This rocker-arm control station features a maintained action with On/Off legend and 2NO/2NC contact form. It is configured with one rocker arm operator and a 1-inch dead-end hub. Suitable for industrial environments requiring maintained switching control of motors, conveyors, and other machinery.

APPLETON ELECTRIC

APPLETON ELECTRIC Rocker-Arm Control Station, 2NO/2NC, On/Off, 1 in Dead-End Hub

BrandAPPLETON ELECTRIC

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Refrigerant actuated electronic fan speed control with a 190 psig to 250 psig pressure sensor. Operates on 208 to 480V AC with 8 A output. Designed for ambient temperatures from -40°F to 130°F. Used to regulate condenser fan speed in HVAC and refrigeration systems.

JOHNSON CONTROLS

JOHNSON CONTROLS P66AAB-1C Refrigerant Actuated Electronic Fan Speed Control

BrandJOHNSON CONTROLS

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LIBERTY PUMPS

LIBERTY PUMPS AE21H=3 Multi-Purpose Pump Control Panel

BrandLIBERTY PUMPS

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Multi-purpose pump control panel for single-phase pumps rated 120/208/240V AC, 7 to 15 A. Provides timed dose dosing schedule, visual alert output, and non-reversing operation. Includes three switches. Suitable for managing pumps in wastewater, effluent, and dewatering systems.

SJE-RHOMBUS

SJE-RHOMBUS Simplex Multi-Purpose Pump Control Panel

BrandSJE-RHOMBUS

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