15" WC setpoint for commercial and residential water heating systems

These units are functionally and physically identical

Directly replaces legacy Barber Colman AV-607 hardware without requiring piping modifications

no additional external probes or sensors are required for operation

While some harnesses appear similar

Armstrong International B4028-1 Float Mechanism 30067439-890 15" WC setpoint for commercialThe Armstrong International B4028 1 Float Mechanism is a critical precision engineered component designed specifically for B8 Series Float & Thermostatic Steam Traps. This heavy duty steam trap repair kit serves as the direct internal replacement for the legacy 15B8 MECH assembly, ensuring seamless system restoration without the need for full trap replacement. Optimized for low pressure applications, this F&T steam trap mechanism features a large 7 8"