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Key Benefits Exact Compatibility: Direct replacement for Weil McLain HE
engineered to provide precise airflow across the condenser coils
bypassing the reliability issues common with universal aftermarket valves
If you notice erratic setpoint tracking or mechanical binding within the control head
and churches
Field Controls 01437001 Control 30067439-890 Key Benefits Exact Compatibility: DirectThe Field Controls 01437001, Model 8"M, is a precision engineered barometric draft control designed for oil, wood, or coal fired heating systems using an 8 inch flue. As a professional grade draft regulator, it stabilizes the negative pressure within the venting system, ensuring a consistent overfire draft despite fluctuations in outdoor temperature or wind velocity. This unit is field adjustable to maintain settings between . 01" WC to . 1" WC, which
