40 amp rating handles higher electrical loads

Most failures are due to carbon soot buildup on the rod or cracks in the porcelain insulator caused by thermal shock

For 12-inch diaphragm models like the 243-12

Durable Construction: Built to withstand the thermal stress of high-efficiency gas furnaces

How often should a MERV 11 media filter be replaced

Reznor 262971 Relay Kit Els PW 17895 40 amp rating handles higherThe Reznor 262971 Relay Kit is a critical OEM replacement component engineered specifically for Reznor Model TR low intensity infrared heaters. This time delay relay kit is the direct field replacement for the obsolete Reznor 116044 and Thermodisc 12530305256 models. As a veteran grade HVAC replacement part, it ensures proper sequencing by regulating the timing of electrical circuits, which prevents short cycling of the burner and protects the blower