a 1-1/4 inch NPT two-way ball valve engineered for precise HVAC flow regulation

which utilizes various marking technologies depending on the specific model configuration

featuring built-in LEDs for simplified diagnostic troubleshooting and damper status monitoring

this hardware ensures smooth torque transmission and eliminates mechanical binding in HVAC actuator linkages

offering precise compatibility with 48-frame mounting configurations

Resideo S87B1024 Ignition Module 323055-751 a 1-1/4 inch NPT two-wayThe Resideo S87B1024 is a robust Direct Spark Ignition (DSI) module engineered to provide reliable electronic control of gas fired heating systems. Operating on a 24 Vac ignition circuit, this unit is designed for Natural or LP gas applications where a single rod flame sense configuration is required. This specific model features a single trial for main burner sequence; if ignition is not established within the 21 second ignition trial time, the