Hello John, The H3 has an attached LED panel with a green power on light, a yellow low water warning light and a red pads light for the Smart Heater Bar. A Humidifier can always be added to the H2. The H3 does not work well with a partial System (Dehumidifiers and Humidistat), since the yellow and red lights would be meaningless. Hope this helps. Roger Wheelock Dampp-Chaser Corp. ----- Original Message ----- From: "John Lillico, RPT" <staytuned@idirect.com> To: <pianotech@ptg.org> Sent: Wednesday, November 01, 2000 7:38 PM Subject: Climate Control > As an option to Dampp-Chaser's 5 pc. SHB system, I'd like to offer the "48-60" 50 watt bar with humidistat H2. Does anyone know the difference between the H2 and H3 humidistat? Is the H2 upgradable should they wish humidification in future? > > John Lillico, RPT > Oakville, Ontario > > >
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