Key Benefits Field Conversion Ready: Simplifies the transition from manual control to millivolt thermostat operation on compatible Robertshaw valves

the TRR1827 is the original part number

the mounting hardware is typically provided with the replacement steam trap module to ensure proper torque specs

clockwise increases the pressure setting (higher suction pressure)

which provides protection against windblown dust

Fenwal 35-605501-001 Control THPU32HP7Y Key Benefits Field Conversion Ready:The Fenwal 35 605501 001 is a microprocessor based 24VAC Direct Spark Ignition (DSI) control designed for precise burner sequencing in gas fired heating equipment. This specific configuration is engineered for immediate response with 0 second pre purge and a 4 second Trial for Ignition (TFI) on a single try basis. As a common field replacement for JCI G76x series modules, it utilizes Detect A Flame technology to provide robust flame sensing and high