While some limit switches share similar temperature ratings

The manual reset feature is essential for diagnostic purposes

the corresponding Lennox right-hand bracket must be used

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

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

Resideo AM101-UT-1LF Valve 326058-757 While some limit switches shareThe 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