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As a direct-fit component
making it resilient for most mechanical room conditions
Key Benefits for Technicians Engineered Durability: Solid aluminum frame with Kevlar gearing significantly extends gear train life compared to standard plastic alternatives
System Efficiency: Accurate thermal sensing allows for proper modulation
Resideo TK300-30A-2-FM Purger 320734-701 As a direct-fit componentThe 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