I have a three zone system,forced hot water with oil burner. When 1 thermostat call f [Archive]

packerpete

Mar 2, 2014, 08:42 PM

Of the three zones, when 1 calls for heat , all three pump hot waterat the same time

Grady White

Mar 3, 2014, 08:18 AM

Do you have zone valves or separate circulators for each zone?