The LH33WZ518 is a versatile HVAC part compatible with numerous gas-fired appliances

rated for 20 Amps at 277Vac

engineered to close on a fall in pressure

high thermal stress can cause original collector boxes to crack or corrode

which is impossible without a calibrated restrictor tee

White Rodgers F825-0338 Prefilter The LH33WZ518 is a versatileThe White Rodgers F825 0338 Prefilter is a critical first stage component designed specifically for the Emerson SST20 series electronic air cleaner. Measuring approximately 20 3 8" x 13" x 5 16", this washable aluminum mesh filter is engineered to capture large airborne particulates, including lint, hair, and heavy dust, before they reach the high voltage ionizing wires and collecting cells. By maintaining a clean SST20 prefilter, technicians ensure