Sterling 11J11R06778-002 Pressure Switch 30067439-890 or restricted heat exchangers

or restricted heat exchangers

this 120-volt coil assembly is specifically designed to fit Parker SPORT and SPORTII valves

especially when the body remains intact

Technicians should verify pin configurations and jumper settings to ensure proper furnace interface board compatibility during installation

maintaining system pressure and integrity

Sterling 11J11R06778-002 Pressure Switch 30067439-890 or restricted heat exchangersThe Sterling 11J11R06778 002 Pressure Switch is a critical safety and operational component designed for high performance HVAC system pressure monitoring. This OEM replacement part, which is technically identical to model J11R06778 002, ensures that your furnace or air handler operates within precise atmospheric parameters. Built to withstand the rigorous demands of industrial and commercial heating applications, this switch facilitates accurate