Resideo TK300-30A-2-FM Purger 30067439-890 verify if your specific terminal

verify if your specific terminal setup requires additional side-mounted auxiliary switches

or a circulating pump that is failing to meet the minimum required GPM (gallons per minute) to keep the contacts closed

a valve with a specialized MOP (Maximum Operating Pressure) or low-temp power element should be used to prevent motor overload during pull-down

Built on a 56Z frame size with a 5/8" diameter flat shaft

This kit focuses on the central control module logic

Resideo TK300-30A-2-FM Purger 30067439-890 verify if your specific terminalThe Resideo TK300 30A 2 FM Purger is a professional grade boiler trim kit designed to streamline hydronic system installations and ensure long term pressure stability. This kit integrates a 4. 4 gallon hydronic expansion tank with a high efficiency air purger and a lead free backflow preventer, significantly reducing the labor hours required during a boiler change out. By consolidating these critical components into a single assembly, contractors can