these HVAC PTFE seals are designed to withstand the pressures and chemical compositions of modern refrigerants including R-410A

eliminating the mounting and wiring headaches often associated with universal alternatives

This model is footprint compatible with many existing 30-amp 3-pole setups and is designed to accept MARS 780 auxiliary switches

This is a genuine ECR International part

Laars Heating Systems FT1015 Switch 326058-758 these HVAC PTFE seals areThe Laars Heating Systems FT1015 Switch is a critical safety and operational component designed specifically for the Mascot FT series condensing boilers. As an OEM air pressure switch, this device monitors the differential pressure within the combustion chamber and venting system. It serves as a primary interlock, ensuring that the BLDC blower fan is generating sufficient airflow for safe combustion before the ignition sequence initiates. If the