Ensure the electrode gap is correctly set and that the ceramic insulator has no hairline cracks

600 RPM maximum speed rating

Technical data confirms its application in standard condensate and boiler feed units

this OEM preventative maintenance kit contains the critical components required to maintain the combustion integrity and heat exchanger efficiency

Resideo TH6320ZW2003 Thermostat 319825-402 Ensure the electrode gap isThe Resideo TH6320ZW2003, commonly known as the Lyric T6 Pro Z Wave, is a versatile Z Wave Plus certified thermostat designed for professional HVAC integration. Supporting up to 3H 2C Heat Pump systems or 2H 2C Conventional setups, this thermostat operates on the Z Wave 500 series chipset for extended range and encrypted communication within a smart home mesh network. It features a large, backlit digital display showing both setpoint and actual