the 100109151 BTH Switch provides the reliability seasoned contractors expect from OEM Lochinvar parts

and HLD0112

How do I know if the diaphragm needs replacement

This durable multi-trial ignition module is Noryl-enclosed and compatible with natural

or a "welded" state where the outdoor unit continues to run even when the thermostat is satisfied

National Comfort Products 14270038 Motor 326058-757 the 100109151 BTH Switch providesThe National Comfort Products 14270038 Motor is a precision engineered OEM replacement motor designed specifically for the NCPB Series of thru the wall condensing units and heat pumps. Built to maintain factory specifications, this 1 4 HP condenser fan motor operates at 208 230V on a single phase power supply. Rated for 1140 RPM, it ensures proper airflow velocity across the coil, which is critical for maintaining system subcooling and overall head