Honeywell Home 40003916-003/U Replacement Actuator Powerhead V4073A 3-Port Mid-Position 5-Wire Motorised Valve 60/100 1 Metre It is compatible with the

It is compatible with the Heatmiser UH8-N 12V wiring centre

Live System Data — Solar yield (W)

Refrigerant: R32

Loft installations require attention to several factors

Inverter family Notes X1-Mini G3 / G4 Grid-tied string inverter

Honeywell Home 40003916-003/U Replacement Actuator Powerhead V4073A 3-Port Mid-Position 5-Wire Motorised Valve 60/100 1 Metre It is compatible with theThe Honeywell Home 40003916 003 U is the genuine replacement powerhead (actuator assembly) for Honeywell V4073A 3 port mid position motorised valves the standard 5 wire valve used in Y plan central heating systems across the UK. When a V4073A head develops a fault humming motor, stuck mid position, failure to open or close, seized manual lever this powerhead replaces the entire electrical and mechanical assembly without removing the valve body from