Electronic controllers for operating circulator pumps for use in heating and cooling systems

'circul':5 'control':2 'cool':12 'electron':1 'heat':10 'oper':4 'pump':6 'system':13 'use':8

Circulator pumps in the field of hydronic heating systems; machinery in the field of domestic hot water recirculation systems, namely, a circulator pump device used in connection with a bypass valve to deliver hot water semi-instantaneously to domestic hot water systems

'bypass':30 'circul':1,22 'connect':27 'deliv':33 'devic':24 'domest':15,40 'field':5,13 'heat':8 'hot':16,34,41 'hydron':7 'instantan':38 'machineri':10 'name':20 'pump':2,23 'recircul':18 'semi':37 'semi-instantan':36 'system':9,19,43 'use':25 'valv':31 'water':17,35,42

1911ECM

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