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.
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.