ASCO 8220G29 Solenoid Valve THPU32HP7Y The constant torque ECM technology The constant torque ECM technology significantly reduces energy consumption compared to standard PSC motors while providing quieter startups and more stable home comfort Integrating this HVAC flame sensor into your combustion safety string helps prevent nuisance lockouts and ensures efficient fuel utilization by providing immediate combustion verification Specialized Media Handling: Precision engineered to maintain integrity in hot water and steam applications up to 150 PSI the NEMA 4X rating indicates that the solenoid is protected against environmental hazards