Saunier duval sd625m – TFC Group Towerchron QE2 User Manual

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SAUNIER DUVAL SD625M

Always use the special 24V thermostat supplied with this boiler, and wire as indicated in boiler instructions,
substituting time switch terminals A and B for terminals 3 and 4 respectively on QE1.

Boiler with Timeswitch and Room Thermostat

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