What are the signs of a failing motor cooling solenoid

you know that a failed ignition sequence on a Laars Mascot or Baxi Luna unit usually points back to the Laars R2069300 Ignitor

the unit requires a 22-26 VAC (50/60 Hz) power source for the control logic

Key Benefits Restores Seal Integrity: Includes a new diaphragm and seat to eliminate internal bypass and external leaks

Resideo AM101-UT-1LF Valve 326058-757 What are the signs ofThe Resideo AM101 UT 1LF is a lead free thermostatic mixing valve designed for precision temperature control in domestic water and hydronic heating systems. Featuring a 3 4 inch Union NPT connection, this Pro Set mixing valve utilizes a high quality thermostatic element to maintain a stable mixed water temperature between 70F and 145F, preventing fluctuations even when supply pressures vary. Its dual purpose design makes it an ideal solution for both