Description
this switch is a normally closed limit that opens at 320°F to break the electrical circuit and prevent equipment stress
If you notice a rise in pressure drop across the heat exchanger or hear "kettling" noises during high-fire operation
This unit is electronically protected with automatic thermal overload protection to safeguard the windings under heavy load conditions in extreme 40°C ambient environments
Its multi-tap primary configuration allows for field versatility across different service voltages
Resideo VR8304P4504 Valve R-410A this switch is a normallyThe Resideo VR8304P4504 Dual Automatic Valve is a robust, single stage intermittent pilot gas valve designed for high capacity atmospheric boilers, commercial water heaters, and industrial furnaces. Engineered for natural gas applications, this 3 4 inch NPT gas valve features a step opening characteristic to facilitate a smooth, controlled light off, reducing mechanical stress on the heat exchanger. Operating on a standard 24VAC control circuit, it