As a technician-grade CTR1171 replacement

Technicians should thread the hex nuts onto the screws

The Modine 5H0731150002 is a high-performance liquid propane gas valve engineered for critical demand in industrial and commercial heating applications

Built with a low-profile frame

this 1/4 HP condenser motor operates at 1100 RPM on a 208-230V single-phase circuit

Williams P323700 Pilot Assembly 326058-756 As a technician-grade CTR1171 replacementThe Williams P323700 Pilot Assembly is the definitive OEM replacement for Williams wall furnaces, specifically engineered for Gravity Direct Vent systems using Natural Gas. Operating as a critical millivolt ignition system component, this assembly replaces the legacy part number P179500. It is built to interface seamlessly with the Williams 1403822 (14,000 BTU) model, ensuring the thermopile generates the precise millivoltage required to hold the gas