ACCESSORIES
PT-40 Plate Mounted Transformer
The DuroZone PT40 Plate Mounted Transformer is a 120 volt input, 24 volt output, 40va rated step down transformer. The PT40 installs on a typical 4 x 4 electrical box and one transformer can operate up to 4 DuroZone dampers.
| Item No. | Code | Description |
| 35054 | PT-40 | 24V Transformer |
RR-1 Relay
The DuroZone RR1 Relay is a 24 volt single pole, double throw, multi-purpose relay that is typically used for applications when isolation or protection of circuits is desired.
| Item No. | Code | Description |
| 35055 | RR-1 | 24V Relay |
RR-1 Installation Instructions
OTS Outdoor Temperature Sensor
For use with the RED4 panel. The OTS is installed outdoors and out of direct sunlight. The OTS is used with dual fuel heat pump/gas furnace installations.
| Item No. | Code | Description |
| 35168 | OTS | Outdoor Temperature Sensor |
LAT Supply Air Temperature Sensor
For use with RED4 panel. The LAT is installed in the plenum or supply air duct after the evaporator coil. LAT helps protect equipment from freeze up or high limit lock out.
| Item No. | Code | Description |
| 35167 | LAT | Supply Air Temperature Sensor |
FPS Freeze Protection Sensor
The DuroZone FPS Freeze Protection Sensor is a low cost control designed to be put on the suction line outside the evaporator coil. At 38º it will break the circuit to the compressor relay (Y) preventing freeze-up. At 51º it will make the compressor relay (Y) continue the cooling cycle. The FPS can be used with any of the DuroZone control systems.
| Item No. | Code | Description |
| 35059 | FPS | Freeze Protection Sensor |
Replacement Motors for DuroZone Dampers
DuroZone has a wide variety of replacement motors for all the dampers it manufactures. Most are low voltage (24 volt) activated but some are also available as 110 volt units (110 volt is spring return only).
| Item No. | Code | Description |
| 35138 | RM-RD/MS | Replacement Motor for RD & MS Dampers |
| 35139 | RM-MB | Replacement Motor for MB Dampers |
| 35136 | RM-PMB | Replacement Motor for PMB Dampers |
| 35105 | RM-MSSR024 | Replacement Motor for SPMS, NSPRD, MMB Dampers |
35138 Installation Instructions
35139 Installation Instructions
35136 Installation Instructions
35105 Installation Instructions