The Middleby Marshall 45688 Oven Gas Control Valve 1/2" NPT 50/60 Hz 24V uses a 24-volt electrical control signal to regulate gas passage through its valve body, while the 1/2-inch NPT connections provide a secure interface within compatible gas systems. It's a controlled actuation coordinate fuel delivery with the oven’s heating requirements, supporting consistent burner operation a... https://partsfe.com/gas-control-valve-for-middleby-part-45688