The device is rated for insulation classes up to 600VAC (UL) and 300VAC (CE)

replacing the entire gas burner kit prevents secondary combustion issues caused by localized oxidation or debris buildup in the burner tubes

Match the part number with your original manufacturer’s data plate or technical parts list

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

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

Johnson Controls A11B-1 Freezestat R-410A The device is rated forThe 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