Float and thermostatic traps operate both mechanically and thermostatically. They are heavy duty units designed to handle large amounts of condensate and can be found on large heating units such as heat exchangers and unit heaters. F&T traps are also used at the end of supply mains.  Looks excellent used but not tested.  Selling each unit individually.  Manufactured by Watson McDanielmodel FTE-50 CA Inventory # 6962

They are heavy duty units designed to handle large amounts of condensate and can be found on large heating units such as heat exchangers and unit heaters. F&T traps are also used at the end of supply mains.  CA# 6961