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
50' CABLE FOR REMOTE; MOUNTING D350 DISPLAY

JOHNSON REFRIGERATION
25' CABLE FOR REMOTE; MOUNTING D350 DISPLAY

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

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



HONEYWELL COMMERCIAL
MICRO PROCESSOR-BASED DISCHARGE WATER CONTROLLERFOR RECIPROCATING BOILERS


HONEYWELL COMMERCIAL
DISCHARGE AIR TEMPERATURE CONTROLLER, 20 TO 30 VAC





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


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




JOHNSON REFRIGERATION
WEATHER SHIELD 3/8" DIA BULB

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

HONEYWELL COMMERCIAL
1 INPUT REV/CTRL RA/NO CPA

HONEYWELL COMMERCIAL
RECEIVER-CONTROLLER - OBSOLETE

HONEYWELL COMMERCIAL
RECEIVER-CONTROLLER - OBSOLETE









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

JOHNSON REFRIGERATION
PRESSURE TRANSDUCER; 0-500 PSI








SETRA
MODEL MRC - MULTI RANGE CRITICAL PRESSURE TRANSDUCER

HONEYWELL COMMERCIAL
THERMOSTAT 30-150F RA 10" CAP DUCT

HONEYWELL COMMERCIAL
CTRL 30-150F RA WELL MOUNT

HONEYWELL COMMERCIAL
3/8" X 9. MOUNTING BRACKET: INTEGRAL. THROTTLING RANGE: 1.95C. .005 RESTRICTION. SCALE RANGE: 17 TO 27C.





HONEYWELL RESIDEO
DUAL AQUASTAT LESS WELL, RANGE 140-240F. ADJ STOP AT HIGH LIMIT. VERTICAL OR HORIZ. MOUNT W/HT CONDUCTIVE COMPOUND.













HONEYWELL RESIDEO

 

Resideo L6006C1018 AQUASTAT STOP AT 200F SPDT SWITCH FOR UNIT HEATER ON HIGH LIMIT CONTROL.RANGE 65-200F ADJ DIFFERENTIAL 5- 30F VERTICAL O






HONEYWELL RESIDEO
DUAL AQUASTAT. HIGH LIMIT 130-240F. 10F FIXED DIFFERENTIAL CIRCULATOR 110-220F. 10 TO 25 ADJUSTABLE DIFFERENTIAL


HONEYWELL RESIDEO
Honeywell L4080B1352 AQUASTAT. RANGE: 100 TO 200F. 1-1/2" TO 3" INSULATION. 8F DIFFERENTIAL LESS WELL. STOP FACTORY SET AT 150F.










HONEYWELL RESIDEO
Resideo L4008E1313 AQUASTAT BREAKS ON RISE. MANUAL RESET. 100-200F. 66 INCH CAPILLARY. LESS WELL.

HONEYWELL RESIDEO
Resideo L4008E1305 AQUASTAT. BREAK ON RISE. MANUAL RESET. 100F -240F. STOP 240F. 66" CAPILLARY. LESS IMMERSION WELL.

HONEYWELL RESIDEO
Resideo L4008E1156 AQUASTAT. BREAK ON RISE. MANUAL RESET. 130-270F. STOP 250F. 66" CAPILLARY. W/HEAT CONDUCTIVE COMPOUND, LESS IMMERSION WE

HONEYWELL RESIDEO
Resideo L4008E1040 AQUASTAT BREAKS ON RISE 130-270F. 66" CAP STOP SET AT 250F

HONEYWELL RESIDEO
Resideo L4008B1013 AQUASTAT MAKES ON RISE 100-240F. 5-30F ADJUSTABLE DIF ADJUSTABLE DIFFERENTIAL 66" CAP BULK PACK

HONEYWELL RESIDEO
Resideo L4008A1130 AQUASTAT BREAKS ON RISE 130-270F, 200F STOP 5-30F ADJUSTABLE DIFFERENTIAL 120" CAPILLARY

HONEYWELL RESIDEO
Resideo L4008A1015 Aquastat 5-30F ADJ DIFFERENTIAL. 5-1/2 FT CAPILLARY.

HONEYWELL RESIDEO
Resideo L4006H1004 Aquastat 130-270F TEMPERATURE RANGE STOP SET AT 250F WITH STRAP ON MOUNTING. WELL. STRAPON MOUNTING.

HONEYWELL RESIDEO
Resideo L4006E1125 AQUASTAT BREAKS ON RISE TEMPERATURE RANGE 100-200F MANUAL RESET LESS WELL.

HONEYWELL RESIDEO
Resideo L4006E1117 Aquastat 130-270F TEMPERATURE RANGE, 240F STOP, HORIZONTAL OR VERTICLE MOUNT, 3/4" NPT WELL, 1-1/2" - INSULATION, W/HEAT CONDUCTI

HONEYWELL RESIDEO
Resideo L4006E1091 Aquastat 130-270F TEMPERATURE RANGE 1-1/2" INSULATION HORIZ. OR VERTICAL MNT. LESS WELL


HONEYWELL RESIDEO
Resideo L4006B1163 AQUASTAT MAKES ON RISE 100-240F. 5-30F ADJ DIFFERENTIAL 3" INSULATION. HOR MOUNT. LESS WELL.


HONEYWELL RESIDEO
Resideo L4006B1007 AQUASTAT MAKES ON RISE 100-240F NON-ADJ. DIFFERENTIAL HOR 1/2"X3-3/8" LENGTH SUITABLE FOR 1 1/2" INSULATION WELL.

HONEYWELL RESIDEO
Resideo L4006A2007 AQUASTAT BREAKS ON RISE 100-240F. 5-30F ADJUSTABLE DIF 3" INSULATION LESS WELL


HONEYWELL RESIDEO
Honeywell L4006A1959 AQUASTAT. VERTICAL OR HOR MOUNT, 40-180F ADJUSTABLE SET- POINT, DIFFERENTIAL 2F FIXED LESS WELL, W/WELL ADAPTOR AND HEAT


HONEYWELL RESIDEO
Honeywell L4006A1017 AQUASTAT BREAKS ON RISE 100-240F 5-30F ADJ DIFFERENTIAL HOR 1/2"X3-3/8" SERT, ELEMENT LENGTH SUITABLE FOR 1 1/2" INSULAT

HONEYWELL RESIDEO
Honeywell L4006A1009 AQUASTAT 2-WIRE, 250V MAX MAKE ON TEMPERATURE FALL 100-240F. HOR 1/2"X 3-3/8" OK FOR 1 1/2" IN INSUL WELL. 5F FIXED DIFF











HONEYWELL RESIDEO
TRUEZONE ZONE CONTROL PANEL. CONTROLS THREE ZONES UP TO 2H AND 2C CONVENTIONAL OR 2H/1C HEAT PUMP EQUIPMENT. REPLACES TH




JOHNSON REFRIGERATION
Johnson Controls HE-68P3-0N000 Outside Air RH TEMPERATURE TRANSMITTER 0-10V; OUTODOR RELATIVE HUMIDT TEMPERATURE DEW PT ENTHALPY WET BULB TRANSMITTER 0-10V







JOHNSON REFRIGERATION
HUMIDITY TRANSMITTER WALL MT; HUMIDITY ELEMENT W/SILICON TEMPERATURE SENSOR WALL MOUNT 3% ACCURACY

JOHNSON REFRIGERATION

HUMIDITY TRANSMITTER DUCT MT; DUCT PROBE HUMIDITY ELEMENT W/NICKEL TEMPERATURE SENSORS 0 TO 10 OR 0 TO 5


HONEYWELL RESIDEO
DEHUMIDISTAT. DUCT OR WALL MOUNT. 24 VAC, VERTICAL OR HORIZONTAL MOUNT. POSITIVE ON AND OFF SETTINGS. PREMIER WHITE
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