How do I know if the Lennox Y4604 is failing

Can this be used on residential 120V boilers

ball bearings

this high temperature limit switch monitors internal ambient conditions and automatically breaks the control circuit if temperatures reach the 240-degree Fahrenheit threshold

and rotation match

Armstrong International 880-1/2-125 Trap Freon How do I know ifThe Armstrong International 880 1 2 125 is a high performance inverted bucket steam trap designed for exceptional reliability in demanding HVACR and industrial steam applications. Built with a rugged cast iron body (ASTM A48 Class 30) and an integral strainer, this horizontal side inlet side outlet trap provides a robust solution for managing condensate while protecting downstream equipment from debris. Featuring a precision engineered 7 64" orifice,