While it is a Carrier part

including the CH 402 through CH 752 and CF 402 through CF 752 series

Installation Flexibility: Rated for multi-position mounting with 1/2-inch NPT inlet and outlet ports for standard manifold threading

This microprocessor-based board is essential for maintaining the AFUE rating of gas-fired systems by optimizing ignition trial times and monitoring for nuisance shutdowns caused by improper grounding

Versatile Media Handling: Certified for use with liquid lines

Lochinvar & A.O. Smith 100093756 Pilot Assembly 321894-708 While it is a CarrierThe Lochinvar & A. O. Smith 100093756 is a professional grade Propane LP Pilot Assembly engineered for precision ignition in residential and commercial high efficiency water heaters. This OEM replacement part is critical for restoring the flame rectification circuit, ensuring the pilot burner consistently provides a reliable source for main burner ignition. Designed specifically for liquid propane (LP) systems, this assembly integrates a high output