| Brand | Pro1 |
| Type | Coil Tubing Assembly |
| UPC | 662766415773 |
Pro1IAQ T721 HP 2H/1C Non-Programmable Digital Thermostat. Power source. 90% non-condensing maximum. 32° to +105° (0° to + 41°C). Battery power from 2 AA Alkaline batteries. 18 to 30 VAC, NEC Class II, 50/60 Hz for hardwire (common wire).