HONEYWELL HOME 40003916-003 3 PORT V4073A REPLACEMENT POWERHEAD FOR 22MM & 28MM VALVE. Honeywell replacement motor for the V4043 series 3-port motorised valve. Can be replaced without draining down. Spring-Return Action 5-Wire Installation Manual Override Facility No Need to Drain Down 2-Wire Connection Polarity-Free Insulated Screw
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