and 6" sizes

provided the excess lead is properly coiled and secured away from direct heat sources

Enhanced Protection: Integrated internal fuse protects downstream control components from electrical faults

making it ideal for finished interior spaces where large horns are visually intrusive

this genuine Marley replacement part ensures precise thermal overload protection and system reliability

Weil Mclain 383-500-255 Gasket and 6" sizesThe Weil McLain 383 500 255 Cover Plate Gasket is a critical OEM sealing component engineered specifically for Ultra Gas Fired Water Boilers, including Ultra 155, 230, and 310 series units. High efficiency condensing boilers demand a precise, airtight seal at the heat exchanger cover plate to maintain combustion integrity and prevent the escape of flue gases. This replacement boiler gasket is manufactured from high grade, heat resistant materials