We buy mercury flame sensors found on gas valves of furnaces, boilers, and water heaters.
Buying Mercury Flame Sensors, $30 each (= $150 lb!) Limited time only!
White Rodgers brand ONLY. Models 3098-134, 3098-xxx, 3049-xxx, 3094-xxx, (xxx can be any number after dash) 3046-5, 30A46-5.

Full article at Scrap Metal Forum: https://www.scrapmetalforum.com/scra...#ixzz5tKimtac3