Maxitrol 220G-3 Regulator 30067439-890 The Lennox 67K30 Pressure Switch

The Lennox 67K30 Pressure Switch is a critical safety and operational component designed for negative pressure sensing in high-efficiency HVAC systems

which provides superior physical and thermal strength compared to standard aftermarket alternatives

ensuring precise fan motor cycling to maintain optimal refrigerant temperatures across varying ambient conditions

000-cycle minimum mechanical life at rated electrical loads and maximum internal pressure

Maxitrol 220G-3 Regulator 30067439-890 The Lennox 67K30 Pressure SwitchThe Maxitrol 220G 3 is a high capacity, 3" NPT gas pressure regulator engineered for demanding commercial and industrial applications like large scale furnaces and boilers. Utilizing a servo operated pilot loaded design, this model provides superior precision and higher outlet pressures than standard spring loaded alternatives. The main diaphragm is controlled by gas pressure from a dedicated pilot regulator in the upper housing, ensuring stable