Direct-Mount Design: The included stainless steel clamp ensures a tight

the M333A01 is the engineered direct replacement for the legacy Barber Colman M133A01 model

Universal Compatibility: Serves as a direct-fit replacement for 669855 and 669299

leading to erratic temperature readings and poor modulation control

Johnson Controls A11B-1 Freezestat R-410A Direct-Mount Design: The included stainlessThe Johnson Controls A11B 1 is a professional grade low temperature cutout control, commonly referred to in the field as a freezestat. Engineered specifically for HVAC systems utilizing chilled water or steam coils, this mechanical temperature control protects against thermal damage by monitoring air duct temperatures. The unit features an SPST switch that opens on a temperature drop, effectively cutting power to the fan or closing dampers when