Accessories
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.
RAC

A SPDT switch used to replace a thermostat for manual damper control. Face plate marked “Air Cond Damper”.
RES

Remote Emergency illuminated switch for use on Heat Pump systems. Used in place of an emergency switch located on the thermostat.
FAC

A SPDT switch used to replace a thermostat for manual damper control. Face plate marked “Fresh Air Damper.”
VAC

One zone illuminated switch provides convenient set back of all zones from one location. Used as an occupied/unoccupied switch.
BT-SP

Single pole bulb thermostat. 15° to 90° range.
RR

Replacement relay for older style ULTRA-ZONE panels and the DTT series ULTRA-ZONE panels.
T-40VA-PT

A plate mounted 24V 40VA transformer for use with Ultra-Zone dampers and control systems.
T-40VA-F

A frame mounted 24V 40VA transformer for use with Ultra-Zone dampers and control systems.
MRK

Motor replacement for models ND, EBD, URD, and RDN dampers. Dampers such as the RDN will also require the purchase 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.
SAS

Supply air sensor used to monitor the temperature of the supply air.
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

18 in. lbs. spring return motor for use on ND and URD series dampers. 24V and 120V available.
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

24 volt modulating motor for use on ND and URD series dampers.
MA-LM24-T

45 in. lbs. 24 volt motor for use on ND and URD series dampers.
MA-15S

15 second motor for use on ND and URD series dampers.
MA-SBD

Replacement motor for Smart Bypass Dampers.
DLK

Damper Linkage Kit used with the old style MAN motor and the SMD/BMD style damper.
R4

Basic relay and mounting block for custom control applications.
F1

A 2 AG, 3 amp Slow Blow fuse for replacement on ST and STHP series ULTRAZONE control panels. Package contains 5 fuses.
RI

Single-pole, double-throw, 24volt relay coil.
PRD Weights and Arm

Single-pole, double-throw, 24volt relay coil.
OAS

Outdoor air sensor used to monitor the temperature of the outside air.