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When the electric element on a Suburban SW-model water heater won't hold a steady temperature or trips out unexpectedly, the thermostat is usually the first thing to check. This 120V replacement part is built to match the original spec for that model line.
It's a small component, but it controls when the electric heating element cycles on and off, so a failed unit can mean cold water or a tripped breaker even though everything else looks fine.
A targeted repair part to get the electric side of your water heater back to holding temperature reliably.