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
EXPANSION MODULE 1 STAGE; RELAY OUTPUT EXP MOD PROVIDES 1 RELAY OUTPUT (SPDT LINE-VOLTAGE RELAY)

JOHNSON REFRIGERATION
EXPANSION MODULE 2 STAGE; RELAY OUTPT EXPMOD PROVIDES 2 RELAY OUTPUTS SPDT LINE-VOLTAGE RELAYS

JOHNSON
EXPANSION MODULE 1 AO; AO OP EXP MOD PROVIDES 1 AO (0-10 VDC OR 4-20MA SELF SELECTING SIGNAL)

JOHNSON
EXPANSION MODULE 2 AO; AO OP EXP MOD PROVIDES 2 AO (0-10 VDC OR 4-20MA SELF SELECTING SIGNALS)
















BELIMO
ZIP Economizer™ Differential Dry Bulb with DCV Capability and LF Spring Return Actuator (35 in-lbs)

BELIMO
ZIP Economizer™ Differential Dry Bulb with DCV Capability and TF Spring Return Actuator (22 in-lbs)
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