Voltage Limiter

Dana67Dart said

There is a company selling an IVR, RTE limiter - rte

The specs look good.

Keep in mind that if an IVR fails the wrong way your looking at 200.00 in new guages.

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If these solid state IVRs fail, are the gauges protected? To me, that seems like the answer to the question of whether to replace if it still works.