Laars Heating Systems RV2019200 Gas Valve 321042-401 Precise Tuning: Dual potentiometers allow

Precise Tuning: Dual potentiometers allow for independent 2-50 psi offset and differential settings to prevent short-cycling

York S1-1468-216P/A Motor

For technicians performing a Lennox 25W66 motor replacement

Signs of a faulty Amana-Goodman 0130F00438 include the furnace failing to ignite

Broad Operating Range: Wide thermal settings accommodate diverse boiler temperature settings for varied climate demands

Laars Heating Systems RV2019200 Gas Valve 321042-401 Precise Tuning: Dual potentiometers allowThe Laars Heating Systems RV2019200 is an OEM modulating gas valve specifically engineered for the NeoTherm NTH399 condensing boiler and high volume water heater. This negative pressure gas valve works in tandem with the combustion blower and venturi to maintain a precise air to gas ratio, ensuring high efficiency performance and stable premix burner operation. It is a critical component for maintaining the boiler's 399 MBH firing rate while