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it completes a low-voltage circuit to a Warrick level relay
While the S21535 is a widely used Aaon HVAC part
reducing false trips and dry-fire risks
OEM Compatibility: Specifically engineered for Trane and American Standard equipment
ASCO 8221G13 Solenoid Valve Freon it completes a low-voltage circuitThe ASCO 8221G13 Solenoid Valve is a high performance, 2 way normally closed solution engineered specifically for industrial water service and HVACR applications. This pilot operated valve features a unique slow closing mechanism with a built in snubber that effectively reduces the disc closing speed. This advanced design is critical for water hammer prevention, eliminating the need for additional surge suppressors or shock absorbers in most piping