Do relays in pottery kilns outlast the relays in glass kilns?
Pottery kilns fire much hotter than glass kilns. Nevertheless, the relays in pottery kilns usually outlast the relays in glass kilns. This is because glass firings typically include long holds and controlled coolings, where the relays cycle frequently. An exception to this would be a high ambient kiln switch box temperature caused by poor ventilation. That shortens relay life. Hotter firings can contribute to that.
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