The 120F0283 requires a 200-230V 3-phase power supply

This long probe is calibrated for the low-level and common sensing points

5-inch stainless sensor probe maximizes air sampling accuracy within the duct stream

providing stability in systems with widely varying operating conditions

making it standard for most Carrier top-discharge fans

Honeywell V4295A1023 Gas Valve 318423-701 The 120F0283 requires a 200-230VThe Honeywell V4295A1023 is a rugged, normally closed solenoid gas valve designed for tight shut off and reliable flow control in medium pressure gas systems. This 3 4 inch NPT valve features a straight through, non offset die cast aluminum body, providing a maximum flow capacity of 645 CFH (cubic feet per hour) at a 1 inch pressure drop. Engineered for standard 120 VAC high limit or primary safety control circuits, it handles a 2 PSI maximum pressure