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Mend Switchmaster sm805 Home Heating Systems

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Mend Switchmaster sm805

Switchmaster sm805 How does it work?

Can anyone tell me how to work the sm805? Mine has dark blue & green tabs & I dont know which starts the heating cycle & which ends it?

Debbie
September 2010
SwitchmasterSwitchmaster sm805Heating, Home Heating Systems
Green on
Blue off

Carefree
September 2010
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