Manufacturer Name: Honeywell Thermal Solutions Product Number: R7847A1025 OEM Part Number: R7847A1025 Product Description: Flame Amplifier Used W/7800 Series Weight:0.300000011920929lbs/136.08g The Honeywell R7847A1025 is a flame amplifier used with Honeywell's 7800 series flame safety controls. It detects the presence or absence of a flame in combustion applications, working... https://www.partshnc.com/r7847a1025-honeywell-thermal-solutions-flame-amplifier-used-w7800-series-relay-modules-restricted-item-please-call