If the noise originates from a cracked or loose housing rather than the motor bearings

this kit eliminates the need for field-fabricated transitions

providing a reliable interface between the heating elements and the system controller

ensuring terminal alignment and mounting dimensions match original housing

Hydrotherm 04-1336 Thermocouple Els PW 17895 If the noise originates fromThe Hydrotherm 04 1336 Thermocouple is a mission critical safety and monitoring component engineered specifically for high performance hydronic systems, including the KN Series boilers. Designed to provide precise millivolt signals to the gas control valve, this OEM Hydrotherm gas boiler part ensures stable flame sensing and prevents hazardous unburned gas accumulation. Its rugged construction is built to withstand the high temperature environments