Direct OEM Fit: Specifically calibrated for Slant Fin 7-inch venting applications to minimize field modifications

it ensures the steady flame required to prove combustion before the main gas valve opens

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

Can this replace older Fenwal analog controls

it offers maximum installation flexibility for professional contractors working on high-performance HVACR systems

Johnson Controls A-4000-146 Filter Els PW 17895 Direct OEM Fit: Specifically calibratedJohnson 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.