Utica-Dunkirk PB-003.01 Thermopile 318973-401 The 594-221 is rated for

The 594-221 is rated for water service

and automatic water control valve supplies

providing a versatile solution for contractors managing diverse water feeder portfolios

OEM Compatibility: Genuine Lennox replacement part ensures exact fitment and electrical alignment with existing furnace control boards and safety loops

this dedicated pressure sensor provides the precise set points required to maintain equipment uptime and safeguard against CO risks associated with improper venting

Utica-Dunkirk PB-003.01 Thermopile 318973-401 The 594-221 is rated forThe Utica Dunkirk PB 003. 01 Thermopile is a heavy duty millivolt generator designed specifically for self powered gas fired heating systems, including residential boilers and furnaces. Engineered to convert thermal energy from a standing pilot flame into a consistent 750 millivolt (mV) DC signal, this component ensures the reliable operation of the main gas valve without the need for an external power source. As an OEM replacement part, it maintains