but they are fully interchangeable for service and repair

Exact OEM Specifications: Features 3/8" x 1/2" ODF sweat connections for a seamless fit without the need for additional adapters

Direct OEM Fit: Ensures precise alignment with existing mounting points on Weil-McLain boiler sections

Is this compatible with ducted systems

Combustion Security: Provides a gas-tight seal to maintain proper static pressure within the venturi and blower assembly

Daikin-McQuay 070194922H O-Ring 321894-706 but they are fully interchangeableThe Daikin McQuay 070194922H O Ring is a high precision sealing component engineered for reliable performance in commercial HVAC systems. Designed for critical fluid containment, this O ring is primarily utilized in equipment requiring tight tolerances and pressure integrity, such as chillers, condensing units, and air handling equipment. For service technicians, the "H" suffix signifies a bulk pack requirement, providing 100 O rings per order to