HVAC
I have an 18 month old PurePro Trio boiler with the Trio Energy Manager Plus. Forced hot water heat. Priority is OFF.
zone 1: hot water tank
zone 2: 1st floor heat
zone 3: 2nd floor heat
Zone 1 works fine.
Zone 2 works fine.
Zone 3 has trouble. When it calls for heat, the zone pumps...