ASCO 8221G1 Valve 318423-701 Enhanced Conductivity: Features factory-crimped terminals

Enhanced Conductivity: Features factory-crimped terminals that provide low-resistance connections

This 135-ohm resistor kit is designed to interface directly with 7B switches

Broad Compatibility: Fits a wide range of 40-inch legacy furnaces and modern platforms under the International Comfort Products umbrella

Technical Benefits for Professionals: Direct OEM Replacement: Replaces legacy part number 81660243 with updated internal components for enhanced reliability

Designed for use with hot and chilled water or glycol solutions up to 50% concentration

ASCO 8221G1 Valve 318423-701 Enhanced Conductivity: Features factory-crimped terminalsThe ASCO 8221G1 is a high performance 2 way normally closed solenoid valve specifically engineered for water service applications requiring precision control. This 3 8" NPT water solenoid valve features a pilot operated diaphragm design with a specialized slow closing mechanism, which effectively eliminates the damaging effects of water hammer in pressurized piping systems. Constructed with a rugged brass body and durable NBR seals, it provides