Great for 1.5 baths in moderate climates or 2.5 baths warm climates. The AH series of tankless water heaters have long been known for their durability and AGL SERIES. User Manual; Product Warranty; Product Specifications AH PRO-PERFORMER. User Manual · Product Warranty · Product Specifications. The heat pro-performer AHS18-D is built for applications with more than 1 bathroom in the southern states where the incoming water temperatures no lower than The IHeat Pro-Performer AHS18-D is built for applications with more than 1 bathroom in the Southern States where the incoming water temperatures no lower Check heat exchanger surface for hot spots which indicate blockage due to scale build-up. Refer to instructions in manual for flushing heat exchanger. MeasureView and Download IHeat AHS11D instruction and operation manual online. Electric Tankless Water Heater. AHS11D Water Heater pdf manual download. 3 Feb 2015 Drakken AHS27D AH Pro-Performer Electric Whole House Water Heater with Intelligent With iHeat software you can run a full diagnostics of the unit without having to open the unit, User's Manual and Installation Guide. The AH Pro-Performer has been designed for the most rugged and toughest of built into the micro-processor exclusive to IHeat tankless water heaters. We answer the most commonly asked questions about the iHeart Tankless water heater to A: Yes! Our whole house Ulltimate Performer series will work in any climate, we have many . We always recommend that you hire a license professional. Install guide can be found on our web site by clicking on the link under the