Smith 100274592 Lower T-Stat is a critical OEM replacement part designed for high-performance residential electric water heaters

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

rated for 20 Amps at 277Vac

both parts are technically identical

White Rodgers F825-0338 Prefilter Smith 100274592 Lower T-Stat isThe 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