Use the 156 model if your control system utilizes a fan delay or pre-purge to ensure the pilot is proven before the timer elapses

The external equalizer allows the valve to account for the pressure drop within the evaporator coil

Durable Construction: High-grade materials resist oxidative stress and thermal fatigue in demanding commercial environments

this component is structurally identical to 11

Heil Quaker ICP 1160146 Shutter mario Use the 156 model ifThe Heil Quaker ICP 1160146 Shutter is a critical OEM replacement component designed for high performance airflow management in International Comfort Products (ICP) systems. This 6 pack of shutters ensures you have necessary inventory for multi stage repairs or routine fleet maintenance. Engineered for precise fitment in specific burner and venting configurations, these shutters regulate air intake to maintain proper combustion ratios and prevent