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SMZ-2SW, 3SW or 4SW
2 to 4 Zones System, Electric, Gas or Oil Furnace,
With / Without Cooling Unit,
Manual Change-Over System, (No Heat Pump).

Panel Selection

2 Zones - SMZ-2SW Item #35226
3 Zones - SMZ-3SW Item #35227
4 Zones - SMZ-4SW Item #35228

2 to 4 Zones
SMZ-2 to 4SW Complete System Example
Qty.	Description
1	SMZ-2SW, SMZ-3SW or SMZ-4SW
1 / Zone	Thermostat, (see chart below)
1	Pressure relief damper
1 / Zone	Zone damper
1	PT-40 Transformer, (4 DuroZone zone dampers maximum)

DuroZone Thermostats for SMZ-2SW, SMZ-3SW and SMZ-4SW.

Zones	Digital	Digital Set Back
Zone - 1	DT-4 #35190 Digital, Non Programmable	DT-705 #35198
Secondary Zones One Thermostat Per Zone	DT-4 #35190 Digital, Non Programmable	DT-705 #35198

ZONE DAMPERS	The DuroZone RD, MS and MB series are recommended.
TRANSFORMER	Model PT-40 Item #35054, can supply a maximum of four DuroZone zone dampers.
Typical Wiring Diagrams for DuroZone SMZ-2SW, SMZ-3SW and SMZ-4SW