J justmikie New Member Mar 6, 2006 #16 Normally the tstat goes straight to the HVAC unit (the big thing that is usually inside your house... sometimes outside in a heat pump unit) In a zone controlled system, the zone controller sits between the tstats and the HVAC unit
Normally the tstat goes straight to the HVAC unit (the big thing that is usually inside your house... sometimes outside in a heat pump unit) In a zone controlled system, the zone controller sits between the tstats and the HVAC unit