Nordyne 383600 Ring 320074-702 it features a 42Y frame

it features a 42Y frame and an open air-over (OAO) enclosure

Converting this valve for propane use is not recommended due to fixed pressure settings

Key Benefits: Refined Durability: The all-steel case protects sensitive pressure actuated bellows from physical damage and environmental wear

By eliminating the mechanical lag inherent in older radiant assemblies

Nordyne 383600 Ring 320074-702 it features a 42Y frameThe Nordyne 383600 Replacement Chamber Oil Ring is a critical combustion component engineered for high efficiency Nordyne oil furnaces and HVAC systems. Designed to facilitate proper alignment between the burner air tube and the combustion chamber, this 383600 replacement ring ensures a precise seal that prevents thermal bypass and maintains steady draft pressures. As a genuine OEM furnace part, it is constructed from high grade, heat resistant