This is the pan assembly itself

Its solid-state design and 10A SPDT contact ratings ensure it handles industrial loads across HVAC level control and low-level cutoff (LLCO) systems with absolute consistency

which can bleed the ignition signal to the ground

Robust Electrical Design: Purpose-built 24V synchronous motor rated for continuous duty in high-temperature hydronic environments

Does this unit require a specific air connection size

Johnson Controls A-4000-146 Filter Els PW 17895 This is the pan assemblyJohnson Controls A 4000 146 Filter, Carbon, 20 Scfm, 100% Efficient for Particles as Small as . 025 Microns This item is not qualify for free shipping.