Modine 5H0709890000 Manifold 323269-701 Does this fitting require thread

Does this fitting require thread sealant on the flare side

3/8x1/2 2Ton R-22 TXV

High Dielectric Strength: Built with robust materials to withstand the high-temperature environment of the burner vestibule

This OEM-spec kit serves as the direct replacement for 50A51-506 and 50A51-507 ignition modules found in many residential and light commercial Trane and American Standard furnaces

OEM Compatibility: Specifically calibrated for use in Lennox PureAir PCO12-50

Modine 5H0709890000 Manifold 323269-701 Does this fitting require threadThe Modine 5H0709890000 Manifold is a critical OEM replacement part designed for precise gas distribution within Modine unit heaters and natural gas heating systems. This heavy duty manifold assembly ensures balanced fuel delivery to the burner orifices, maintaining the consistent manifold pressure (standard 3. 5" W. C. for natural gas) required for optimal combustion efficiency. Built to withstand the thermal stresses of industrial and commercial