This is a genuine Totaline/Carrier OEM replacement relay

or the boiler failing to pre-purge

1A AFL at 240Vac

As a critical part of the combustion system

Equipped with Viton seal material (FKM)

Aaon R51280 Limit Switch Els PW 29614 This is a genuine Totaline/CarrierThe Aaon R51280 Limit Switch is a critical safety component engineered for precision temperature monitoring in high performance HVAC systems. This 3 inch L195 30F limit switch features a fixed temperature setting designed to open the electrical circuit at 195F and automatically reset when temperatures drop by 30F. As a vital HVAC high limit control, it prevents equipment overheating by interrupting power to the heat source if airflow is restricted or