Maxon 19599 Switch 30067439-890 Don't risk a callback by

Don't risk a callback by reusing a hard or glazed seal

The normally open (N/O) pressure switch construction utilizes a high-sensitivity diaphragm to verify proper combustion air flow before allowing the ignition sequence to proceed

The aerated pilot mixes air and gas more efficiently before ignition

Technicians must ensure the air inlet holes face directly into the airflow for maximum sensitivity

Broad Compatibility: Engineered for use in Aaon R70240-compatible chillers

Maxon 19599 Switch 30067439-890 Don't risk a callback byThe Maxon 19599 is a high performance VOS 1 Valve Open Switch engineered for precise position indication on electro mechanical shut off valves. As a critical component in combustion safety circuits, this SPDT switch (Single Pole Double Throw) provides a reliable proof of open signal when the valve reaches its full open stroke. Designed for natural gas, propane, and fuel oil systems, it ensures seamless integration with flame safeguard controllers and