you must use a separate regulator kit or an operator with a built-in regulator

Installation in mobile homes or recreational vehicles is strictly prohibited

which this model addresses with specialized plating

Is any additional hardware required for installation

Accurate Temperature Control: Ensures precise monitoring and regulation of water temperature for consistent performance

ASCO 8221G3-24V Solenoid Valve R-410A you must use a separateThe ASCO 8221G3 24V Solenoid Valve is a high performance 2 way normally closed valve engineered for precision water service applications in commercial and industrial HVACR systems. This pilot operated solenoid valve features a 1 2" NPT connection and is constructed with a durable brass body and resilient NBR seals, ensuring reliable fluid control. Designed for efficiency, it operates on a 24Vac control circuit and supports a flow capacity of 3. 5 Cv,