This model is a direct replacement for the legacy Watts 174A-1 1/2-125

A functioning normally closed switch should show zero resistance

the D24677 offers the mechanical durability and technical precision required for modern energy management

Built for atmospheric burners

Trane COL5758 Solenoid Coil 318172-701 This model is a directThe Trane COL5758 Solenoid Coil is a critical HVAC 24V replacement coil engineered for precise refrigerant flow control within compatible Trane and American Standard cooling systems. Designed for integration with specific liquid line solenoid valves, this low voltage coil ensures reliable electromagnetic force to actuate the valve plunger during demanding cycles. Its robust encapsulated design resists moisture and thermal stress, preventing premature