4520-0010-000 | Fan Delay Relay F130-20F | Marley Engineered Products Product Type_Burner Assembly Firing Leg Its versatility makes it suitable

Its versatility makes it suitable for applications involving corrosive fluids

making it ideal for applications requiring low voltage and high reliability

replaceable cartridge contains all of the moving parts and allows for easy service instead of replacing the entire circulator

the NCO-B302 motor features a durable construction that ensures longevity and resistance to harsh operating conditions

With a bore size of 3/8 inches

4520-0010-000 | Fan Delay Relay F130-20F | Marley Engineered Products Product Type_Burner Assembly Firing Leg Its versatility makes it suitableFan Delay Relay for Precise Control: Marley Engineered Products NCO 4520 0010 000 The NCO 4520 0010 000 Fan Delay Relay from Marley Engineered Products is an indispensable component for controlling the operation of fans in HVAC systems. This compact and reliable relay ensures that fans operate smoothly and efficiently, enhancing the performance of your heating and cooling systems. Key Features: Highly accurate fan delay function Adjustable delay time