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Enhanced Safety: Prevents combustion under unsafe venting conditions by monitoring inducer draft pressure
Universal Standards: Fully compliant with CE and UL certifications for safety and performance reliability in professional installations
The integrated 5-1/2” sensing element ensures precise temperature regulation
it is recommended to perform a full combustion analysis at both low and high fire to confirm the CO2 and O2 levels match the manufacturer's nameplate specifications
Resideo V4043B1018 Zone Valve 322838-754 Enhanced Safety: Prevents combustion underThe Resideo V4043B1018 Zone Valve is a heavy duty, normally open hydronic zone valve designed for controlling flow in closed loop systems. This 120V HVAC zone valve features a 1 2" sweat connection and a high grade brass body with a stainless steel stem, ensuring durability under a 40 200 degree fluid temperature range. Designed for reliability, the V4043B1018 utilizes a spring return to open mechanism with a 3. 5 Cv flow coefficient. The internal
