Resideo TK300-30A-1FM Boiler Trim Kit R-448A 7mA minimum flame sense current

7mA minimum flame sense current for high accuracy

you ensure the appliance operates within its specified performance envelope

eliminating the need for traditional thermal heaters while providing a wide adjustable trip range

a different thermal element assembly is required

Resideo TK300-30A-1FM Boiler Trim Kit R-448A 7mA minimum flame sense currentThe Resideo TK300 30A 1FM Boiler Trim Kit is a comprehensive solution for field technicians performing boiler change outs or new hydronic installations. This professional grade boiler trim kit features a 4. 4 gallon TK300 30 expansion tank with a durable Butyl EPDM diaphragm, engineered to effectively manage hydronic system pressure in closed heating loops. The assembly includes a 1 inch AP400 cast iron air purger and an FV180 Goldtop air vent for