Valve for Honeywell Z121-1/2"

Honeywell Z121-1/2" shut-off valve is designed for installation between the pipeline and the Honeywell E121 automatic air vent. It is a brass ball valve that allows the air vent to be removed for cleaning or replacement without draining water from the heating or hot water system. The valve is used in heating systems (radiators, risers, underfloor heating), boilers, heat exchangers, and boiler rooms. It ensures full compatibility with Honeywell E121 series air vents, guaranteeing tightness and reliable seating. Advantages of the Z121-1/2" model: savings on maintenance — no need to drain coolant or call a technician; durable body made of corrosion-resistant brass; operation at pressures up to 10 bar and temperatures up to +110°C; seals made of modern polymers that do not lose elasticity over time. Technical specifications: connection — internal thread 1/2" BSP, compatibility — E121 and E121-1/2. Installation is simple: the valve is screwed vertically into the radiator or manifold, and the air vent is mounted on top. In operating mode, the valve is always open; it is closed only during maintenance. Buy Honeywell Z121-1/2" and forget about heating maintenance problems for years.