featuring four jumper-selectable HVAC input signals: 0-5 VDC
Its multi-tap primary configuration allows for field versatility across different service voltages
This unit is electronically protected with automatic thermal overload protection to safeguard the windings under heavy load conditions in extreme 40°C ambient environments
If you notice a rise in pressure drop across the heat exchanger or hear "kettling" noises during high-fire operation
depending on the combustion environment and burner configuration
Resideo VR8304P4504 Valve R-410A featuring four jumper-selectable HVAC inputThe 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