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ensure the probe is positioned at or above the manufacturer's minimum safe water level
the base 135600 model focuses primarily on water level maintenance and proportional bypass feeding
Built with a rugged aluminum body and NBR (Buna-N) seals
Its NPT threaded connections ensure a leak-free integration into standard piping
Resideo EARD8TZ Damper 318423-701 ensure the probe is positionedThe Resideo EARD8TZ Damper is an essential 8 inch round fresh air damper engineered for tight seal ventilation and combustion makeup air applications. Featuring a 24V motor with a 2 wire configuration, this power open spring return assembly ensures failsafe operation, automatically closing during power loss to prevent unconditioned air infiltration. Constructed from galvanized steel, the single blade design high performance HVAC zone control by