Resideo - Honeywell Home V4043B1018 Motorized Zone Valve

Motorized Zone Valve performance for hydronic heating and cooling comes from the Resideo Honeywell Home V4043B1018. This 2-Way, straight-through valve features a 1/2" nominal size with soldered x soldered end connections and a 2-position, spring-return actuator that is normally open, delivering quick, reliable zone control. Valve timing is 15 seconds to open, ensuring fast response to thermostat demand.

Built for durable, efficient operation in hot and chilled water systems, this valve combines sturdy materials with easy electrical integration. It uses a brass body, stainless steel stem, EPDM Buna-N packing, and Buna-N ball plug, and supports line-voltage control with a standard 18" electrical lead.

• 2-Way, straight-through design with 1/2" nominal size
• End connections: soldered x soldered for reliable piping
• 2-Position actuator with spring return to close; normally open
• Brass body, stainless steel stem, EPDM packing, Buna-N ball
• Media: hot or chilled water; 40–200°F (fluid)
• Line voltage operation; 18" lead; 9.6 VA at 120V AC; 0.08 A
• Flow capacity: 3.5 Cv; close-off 20 psi; static 125 psi
• UL and CSA listed; manual opener included for manual control