Lochinvar & A.O. Smith 100108268 Thermocouple 321142-301 this unit features a 3/8"

this unit features a 3/8" ODF solid copper sweat connection

eliminating the need for manifold modifications or complex piping reconfiguration

This manual reset model will lock out until a technician physically pushes the reset lever

a faulty pressure switch often fails to close the circuit to the control board

the 100074672 is strictly designed for Natural Gas (NG) configurations

Lochinvar & A.O. Smith 100108268 Thermocouple 321142-301 this unit features a 3/8"The Lochinvar & A. O. Smith 100108268 Thermocouple is a critical safety component designed for precise flame rectification in commercial and residential water heating systems. This 24 inch thermocouple provides the necessary millivolt signal to the gas valve, ensuring the pilot flame is established before allowing the main burner to cycle. Engineered for high temperature environments, it is a direct replacement for various Lochinvar pilot assemblies