The Honeywell 311852 is technically identical to the 311852/U (universal) model

providing the reliable performance required to maintain system safety and efficiency in demanding commercial and industrial environments

Versatile Application: Compatible with several Trane and American Standard condensing units

Standardized Integration: The 1/2" NPT conduit and 18" leads facilitate quick swap-outs in existing pneumatic and fluid regulation setups

ensuring the long-term reliability of your industrial HVAC controls

Fireye 34-274 O-Ring 320720-756 The Honeywell 311852 is technicallyFor the veteran technician maintaining high performance burner assemblies, the Fireye 34 274 O Ring is a critical sealing component engineered for industrial grade reliability. This specific Fireye replacement part is precision molded to interface with the 60 1199 1 and 60 1199 2 sealing couplings, ensuring a gas tight and liquid tight barrier within the flame safeguard system. In the field, compromising on seal quality can lead to pressure loss or