Laars Heating Systems RV2001900 Gas Valve 318423-701 500-inch NPT hubs or direct

500-inch NPT hubs or direct surface mounting

The 067N2163 is an updated version that maintains the same physical dimensions and port capacity while improving overall bellows durability

offering a standardized 24V supply interface for Discus compressors across refrigeration and commercial HVAC applications

This wheel is standard for 5

Common Questions & Technical Support What causes a York S1-024-35876-000 to trip repeatedly

Laars Heating Systems RV2001900 Gas Valve 318423-701 500-inch NPT hubs or directThe Laars Heating Systems RV2001900 Gas Valve is a heavy duty, direct replacement component engineered for high performance gas fired boilers and commercial water heaters. This 24V natural gas valve is designed to operate with a precise 4" WC manifold pressure, ensuring stable combustion and reliable modulation across demanding duty cycles. Featuring a 3 4" NPT inlet and outlet, it provides the necessary flow capacity for large scale heating