I got to do some seasonal maintenance on a couple of Aerco Modulex mod-cons today. If you get a chance to get your hands into one, I fully recommend you check out what some next-level engineering looks like. Each section has its own burner, gas valve, draft inducer, ignitor, and flame rectification rod. The redundancy means incredible turndown (39:1 on some models) and no emergency breakdowns. ![]()
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