Key Benefits Precise Ignition Timing: Manages hot surface ignition or spark sequences to ensure safe and efficient burner lite-off

preventing burner ignition until the gate reaches the fully open position

providing reliable supplemental heat and precise temperature regulation

The 3/4-inch NPT female connections facilitate direct integration into existing piping manifolds

While technical data specifies this as a 120-inch factory-assembled lead

Nordyne 921524 Replacement Coil 318172-701 Key Benefits Precise Ignition Timing:The Nordyne 921524 is a professional grade uncased replacement coil engineered for high performance evaporator heat transfer within residential split systems. As a genuine OEM HVAC replacement part, this 3 4 ton evaporator coil is built to restore factory specifications and maintain original system pressure drops. It features Anteater Coil Technology, utilizing a specialized Uniguard alloy to significantly increase resistance against formicary