15" WC setpoint for commercial and residential water heating systems

resulting in a lockout code

To maintain the 0

no additional external probes or sensors are required for operation

Always check the frame size and mounting rail on your primary contactor before installation

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"