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the Resideo 198799Z optimizes boiler firing rates and enhances overall system efficiency
For commercial and residential contractors
Proper installation of this ASCO replacement part ensures optimized magnetic flux and efficient valve cycling
Is the dark grey finish UV-resistant
False signals often occur when "bridging" happens due to scale or moisture on the insulator
Weil McLain 511-330-163 Pilot Assembly Refrigerant the Resideo 198799Z optimizes boilerThe Weil McLain 511 330 163 Pilot Assembly is a specialized OEM field replacement engineered for intermittent pilot ignition systems. As a veteran grade natural gas pilot assembly, this kit integrates a high output spark electrode and a precise flame sensing probe to ensure consistent ignition cycles in high demand residential and commercial applications. Designed for seamless integration with Weil McLain EGH boilers (all sizes) and CGM Series 7 10