Resideo Q309A1970 Thermocouple 320735-701 long-term performance under demanding contractor

long-term performance under demanding contractor specifications

it’s time to swap the contactor

It prioritizes system safety by continuously monitoring flame rectification currents and safety limit strings

Durable Construction: Heavy-duty steel housing with an industrial epoxy finish for long-term resistance to harsh shop environments

Resideo Q309A1970 Thermocouple 320735-701 long-term performance under demanding contractorThe Resideo Q309A1970 Thermocouple is a high performance pilot flame detector designed for standing pilot systems in residential and commercial gas fired equipment. This 30 millivolt heavy duty thermocouple features a 24 inch lead and a standardized split nut connection for a secure fit to the gas control valve. It is engineered to provide precise millivolt output, typically between 26mV and 32mV open circuit, ensuring the safety string remains closed