Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and reproductive harm

ARB) or spring return (AFRB

use a calibrated manometer to verify the exact pressure at which the switch trips for precise HVAC pressure monitoring

allowing for a full rebuild of the White Rodgers 1300 series valve without the need for extensive pipe cutting or removing the brass valve body from the loop

Armstrong Furnace R38999D018 Heat Exchanger R-410A Proposition 65 Warning: This productThe Armstrong Furnace R38999D018 Heat Exchanger is a critical OEM replacement part designed to restore the efficiency and safety of your HVAC system. Engineered from high grade stainless steel, this primary heat exchanger assembly is built to withstand extreme thermal cycling while preventing hazardous combustion gas leaks. As a genuine Armstrong Air component, the R38999D018 ensures a precise fit and seamless integration with compatible furnace