Fenwal 35-665721-101 Control THPU32HP7Y the internal contacts are rated

the internal contacts are rated to switch the line voltage required by standard Modine blower motors

maintaining the system's operational efficiency

ensuring the burner stays lit during high-demand heating cycles

Why is my furnace short-cycling or hitting the high limit

Fenwal 35-665721-101 Control THPU32HP7Y the internal contacts are ratedThe Fenwal 35 665721 101 is a microprocessor based 24V Hot Surface Ignition (HSI) control designed for precise burner sequencing in gas fired equipment. This MiniIgnition control features a 4 second Trial for Ignition (TFI) and a 15 second pre purge cycle to exhaust residual gases from the combustion chamber, ensuring a safe start up. Built with a single trial ignition logic (1TRY), the 35 665721 101 provides reliable flame monitoring and utilizes