Tag: Pack 3
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Honeywell Sundial RF2 Pack 3 User Guide
Sundial RF2 Pack 3Wireless Enabled Programmer and Thermostats (Y9420S2005) In a stored hot water heating system that has no room thermostat or cylinder thermostat, the existing wiring can be used to provide a Boiler Interlock by fitting Sundial RF2 Pack 3.The pack contains: A wireless-enabled programmer (ST9420C) A wireless room thermostat (DT92E) A wireless cylinder…
