A 3-flash code typically indicates the pressure switch is stuck open

The Belimo B311B is a 1/2 inch NPT 3-way characterized control valve engineered for precision in hydronic systems

protecting the primary heat exchanger and blower assembly from overheating by interrupting the electrical circuit when internal plenum temperatures exceed safe operating parameters

While some control modules receive 208/240V input

This specific blade is primarily used in FT and SFT models

Burnham Boiler 8231602 Burner Tube Els PW 17895 A 3-flash code typically indicatesThe Burnham 8231602 Burner Tube is a critical replacement component for maintaining the combustion integrity of U. S. Boiler Co gas fired systems. Designed for heavy duty commercial boiler maintenance and residential applications, this main burner tube ensures a stable flame pattern and proper fuel to air mixing. When troubleshooting Burnham boiler burner tubes that exhibit warping or carbon buildup, replacing with this OEM part is essential to