The Middleby Marshall 31651 Gas Oven Signal Amplifier 4-20 VDC maintain accurate signal communication within compatible commercial gas oven control systems. This component is designed to process and amplify electrical signals, supporting communication between connected control devices. Operating within a 4-20 VDC specification, it works by strengthening or conditioning incoming signal... https://partsfe.com/signal-amplifier-for-middleby-part-31651