a resistor may be needed for specific potential relay configurations to prevent arcing and protect the relay contacts

Designed with a rugged bronze body and brass trim

With a calibrated 0 to 100 degree temperature range and a corresponding 100-degree span

Key Benefits Dual Protection: Expertly handles overpressure from both thermal expansion and over-firing due to control failures

Internal Thermal Protection: Automatically cuts power to the windings if the motor exceeds safe operating temperatures

Lochinvar & A.O. Smith 100208628 Harness Unit Kit 318172-701 a resistor may be neededThe Lochinvar & A. O. Smith 100208628 Harness Unit Kit is a critical OEM component designed for precise electrical integration within high efficiency commercial and residential water heating systems. As an essential wiring harness replacement, this kit ensures stable communication between the central control board and auxiliary sensors, preventing transient signal loss or open loop faults. Engineered to meet strict HVACR equipment standards, the