How do I verify if this orifice fits my furnace

outlet pressure range (water column)

the K1-8 features dryseal pipe threads designed to minimize potential leak paths and provide sufficient clearance for tightening flare nuts

If the plunger is stuck in the "open" position or the internal contacts have carbon buildup

Always check the machine’s plumbing diagram

Johnson Controls T-4002-123 Connector How do I verify ifThe Johnson Controls T 4002 123 is a specialized terminal connector engineered for high performance pneumatic control systems. This 2 pipe pneumatic fitting features dual angle fittings specifically designed for surface mounted T 4000 series thermostats where exposed tubing is utilized. Constructed for professional grade HVACR applications, the T 4002 123 facilitates a secure, leak resistant interface between 5 32" O. D. polyethylene tubing and the