Field Controls 01437001 Control 30067439-890 the White-Rodgers FR1000M-111 serves as

the White-Rodgers FR1000M-111 serves as a high-performance 16x20x4 media filter designed for the ACM1000M media air cleaner

Key Benefits Exact Compatibility: Direct replacement for Weil McLain HE

Always verify the vacuum pressure with a manometer before replacing the switch

bypassing the reliability issues common with universal aftermarket valves

If you notice erratic setpoint tracking or mechanical binding within the control head

Field Controls 01437001 Control 30067439-890 the White-Rodgers FR1000M-111 serves asThe 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