Controllers

Johnson C450CBN-4C Control Module, 1 Stage, -40 to 250F System 450™ is a family of modular, digital electronic controls that is easily assembled and set up to provide reliable temperature, pressure, and humidity control for a wide variety of Heating,...

Honeywell 4074EDJ Test Plug and Resistor Assembly for W7100Bag Assembly including Test Plug and Resistors for W7100

Honeywell T675A1045 Temperature Control 0-100F 20' Cap Stainless Steel Remote bulb thermostats regulate temperature of air or liquids in ducts, pipes, tanks and boilers. See technical and extended tab for more information   Features: Suitable for...

Honeywell RM7890B1048 Burner Control, 120V Primary burner control for automatically fired gas, oil or combination fuel single burner applications. Provides level of safety, functional capability and features beyond conventional controls...

Honeywell RM7890B1014 FSG 7800 Programmer Control This microprocessor-based integrated primary burner control is used for automatically fired gas, oil, or combination fuel single burner applications. Honeywell RM7890B1014 Features: Includes Shutter...

Honeywell Q7230A1005 Modulate Interface Mod IV 4-20 Ma 2-10 VDC Used with Series 90 Nidutrol IV Motors for conversion to electronic control Honeywell Q7230A1005 Features: Mounts and works inside wiring box of any series 90 Modutrol IV Motor...

Honeywell T991A1426 Temperature Control 0-100F 5' Cap 135 ohm T991A Proportional Temperature Controllers provide modulating control of water or air temperatures in ducts, tanks, and similar applications. Standard models have a coiled sensing element that...

Honeywell S87D1004 Spark Module 6-sec Lockout, Dual Rod Any Valve Provide electronic control of direct spark ignition systems used on gas fire furnaces, boilers, and other heating appliances. Honeywell S87D1004 Features: Control ignition sequence and...

Johnson C450CCN-4C Control Module, 2 SPDT, -40 to 250F System 450™ is a family of modular, digital electronic controls that is easily assembled and set up to provide reliable temperature, pressure, and humidity control for a wide variety of Heating,...

Honeywell W7212A1009 Economizer Logic Module W7212 Economizer Logic Modules are used with CO2 Demand Control Ventilation (DCV) Sensors, and solid state C7400A Enthalpy Sensors or C7660 Dry Bulb Temperature Sensors. All models proportion outdoor and...

Honeywell H7635A2012 Temperature Humidity Transmitter Wall Mount 4-20Ma Features: Wall Mounted Operating Temperature Range: 32 to 122 deg F 18-40 Vdc // 18-28Vac 20K ohm NTC Used with Excel 15, Excel 10, and T7350 Technical...