With an equal percentage flow characteristic and a 4

How do I test the 100073343 flame sensor

With reversible rotation capabilities and automatic thermal protection

making it the industry standard for open-loop systems or potable water applications where cast iron components would fail prematurely

Lennox 73W20 Limit Switch 323613-751 With an equal percentage flowThe Lennox 73W20 Limit Switch is a critical safety component designed for precise thermal regulation within Lennox residential furnaces and HVAC systems. As an OEM Lennox replacement part, this L175 30F limit control features a fixed set point, engineered to open the electrical circuit at 175F and automatically reset when temperatures drop to 145F. This SPST (Single Pole Single Throw) switch utilizes a 5 inch stilt mounting insertion depth to monitor