EWC Controls logo
Ph: 1-800-446-3110

Fx: 1-732-446-5362
EWC Controls, Inc.
385 Highway 33
Englishtown, NJ 07726
Accessories
S1A
S1A
Line Voltage rated End-Switch assembly for all new ND and URD style dampers. Easily attaches over the top of the motor. Can operate blower motor, combustion air, hydronic zone valve or circulator, among other applications.
Click here for submittal sheet.
MAN
MAN / MA-5P
The MAN is a 2 Position, power-open, power-close actuator. Used on old-style, standard opposed blade dampers. The MA-5P is a 5 Position, power open, power close actuator used with old-style, standard opposed blade dampers. MAN and MA-5P actuators are only interchangeable with other MAN or MA-5P units.
CPLS
CPLS
Monitors cooling coil temperature and protects against coil freeze-up. Stops compressor below 37° and restarts above 47°. (Not adjustable) Mounts on a 3/4” suction line.
SPDT
RAC
A SPDT switch used to replace a thermostat for manual damper control. Face plate marked “Air Cond Damper”.
RES
RES
Remote Emergency illuminated switch for use on Heat Pump systems. Used in place of an emergency switch located on the thermostat.
FAC
FAC
A SPDT switch used to replace a thermostat for manual damper control. Face plate marked “Fresh Air Damper.”
HCD
HCD
The Hand Carried Display (HCD) is the perfect way for a salesman to demonstrate and display a complete 2 zone system in a neat, easy-to-carry case.
VAC
VAC
One zone illuminated switch provides convenient set back of all zones from one location. Used as an occupied / unoccupied switch.
BT-SP
BT-SP
Single pole bulb thermostat. 15° to 90° range.
RR
RR
Replacement relay for older style ULTRA-ZONE panels and the DTT series ULTRA-ZONE panels.
T40-VA
T-40VA-PT
A plate mounted 24V 40VA transformer for use with Ultra-Zone dampers and control systems.
T40-VA
T-40VA-F
A frame mounted 24V 40VA transformer for use with Ultra-Zone dampers and control systems.
MRK
MRK
Motor replacement for models ND, EBD, URD, and RDN dampers. Dampers such as the RDN will also require the purchhase of a DHK (Damper Hardware Kit). If unsure if you require a DHK please contact our sales department. Notice: The MA-ND5 (power open/power close) motor actuator cannot be used to replace an existing MA-RSD (spring return) motor actuator.
DHK
DHK
Damper Hardware Kit for retrofitting the MRK on older damper models.
SAS
SAS
Supply air sensor used to monitor the temperature of the supply air.
MA-SRE
MA-SRE24 and MA-SRE120
Four wire spring return actuator. 24V and 120V available. Includes end switch. Use on models SMD-SR, RD-SR, ND-SRE, and RD-SRE dampers.
MA-TF24 and MA-TF120
MA-TF24 and MA-TF120
18 in. lbs. spring return motor for use on ND and URD series dampers.  24V and 120V available.
 
MA-LF24 and MA-LF120
MA-LF24 and MA-LF120
 35 in. lbs. spring return motor for use on ND and URD series dampers.  24V and 120V available.
MA-LM24SR-T
MA-LM24SR-T
24 volt modulating motor for use on ND and URD series dampers.
MA-LM24-T
MA-LM24-T
45 in. lbs. 24 volt motor for use on ND and URD series dampers.
MA-15S
MA-15S
15 second motor for use on ND and URD series dampers.
MA-SBD
MA-SBD
Replacement motor for Smart Bypass Dampers.
DLK
DLK
Damper Linkage Kit used with the old style MAN motor and the SMD/BMD style damper.
F1 Fuses
F1
A 2 AG, 3 amp Slow Blow fuse for replacement on ST and STHP series ULTRAZONE control panels. Package contains 5 fuses.
R4
R4
Basic relay and mounting block for custom control applications.
RI
RI
Single-pole, double-throw, 24volt relay coil.
OAS
OAS
Outdoor air sensor used to monitor the temperature of the outside air.
PRD Arm and Weights
PRD Weights and Arm
Replacement arm and weights for PRD series dampers.