During the first stage of a two-stage gas valve system with a two-stage thermostat, at what firing rate does the valve open?

Prepare for the TSSA Gas Technician II Exam. Utilize flashcards and solve multiple choice questions, each question offers hints and explanations. Ensure your success!

Multiple Choice

During the first stage of a two-stage gas valve system with a two-stage thermostat, at what firing rate does the valve open?

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