Controllers, HVAC

HVAC Controllers: Pneumatic Controllers, Electronic Controllers

T775 Standalone ControllerHVAC Controllers gather information from sensing devices and then make a decision based upon that information. Utilizing HVAC controllers, we can energize contactors and relays, open and close valves and dampers, or even turn equipment on or off.

NECC designed the pages linked below to help you find the right HVAC controllers and accessories for your application. If you’re not sure what you need, call us at (800) 227-9800.

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JOHNSON REFRIGERATION
PRESSURE TRANSDUCER; 0-500 PSI

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NECC Hands-On Pneumatic Control Basics Workshop - Essington, PA









HONEYWELL COMMERCIAL
RECEIVER-CONTROLLER - OBSOLETE

HONEYWELL COMMERCIAL
RECEIVER-CONTROLLER - OBSOLETE

HONEYWELL COMMERCIAL
1 INPUT REV/CTRL RA/NO CPA

SCHNEIDER
Wireless CO2 sensor with room temperature and humidity for SE8000 Series, zigbee communication protocol

JOHNSON REFRIGERATION
WEATHER SHIELD 3/8" DIA BULB




HONEYWELL RESIDEO
ELECTRONIC UNIVERSAL CONTROLLER WITH 1 UNIVERSAL INPUT, 1 TEMPERATURE INPUT, 2 SPDT RELAYS, 2 ANALOG OUTPUT S, RESET OPT


BARBER COLMAN
Two-Position, Single stage, single bulb, -40 to 120F, 10' Armored Capillary





HONEYWELL COMMERCIAL
DISCHARGE AIR TEMPERATURE CONTROLLER, 20 TO 30 VAC


HONEYWELL COMMERCIAL
MICRO PROCESSOR-BASED DISCHARGE WATER CONTROLLERFOR RECIPROCATING BOILERS



JOHNSON REFRIGERATION
EXTENDER CABLE 1M (3.3FT); EXTENDED BUS CABLE FOR REMOTE PANEL MNTG SYS 450 OPTION

JOHNSON REFRIGERATION
3' CABLE FOR REMOTE MTG.; D350 DISPLAY

JOHNSON REFRIGERATION
25' CABLE FOR REMOTE; MOUNTING D350 DISPLAY

JOHNSON REFRIGERATION
50' CABLE FOR REMOTE; MOUNTING D350 DISPLAY




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