Electrical Versatility: The SPDT switch contacts permit simultaneous control of a safety valve and a remote status indicator

ensuring the boiler operates within safe parameters while preventing short-cycling through accurate differential management

Key Benefits for Contractors Enhanced Durability: Equipped with a hermetically sealed reed switch to prevent switch contamination in harsh commercial environments

Its robust construction resists thermal stress and corrosion

Featuring a unique Universal Power Supply (UP)

Resideo ZD10X18TZ Damper R-407C Electrical Versatility: The SPDT switchThe Resideo ZD10X18TZ is a professional grade 10" Wide X 18" High Parallel Blade Zone Damper engineered for heavy duty performance in forced air systems. As a 24VAC power closed spring return open unit, it ensures a fail safe open position during power loss, maintaining critical airflow. This rectangular zone damper features a parallel blade action and Kevlar gearing, which significantly reduces mechanical wear compared to standard competitive models.