iQ Series
i Series
Floor-Standing Units
Wall-Hung On-Demand Unit

Wall-Hung On-Demand Unit


Our Commercial "Workhorses"

count on superior performance and reliability

Count on superior performance and reliability with our iQ251 wall-hung on-demand water heater. Designed to be our commercial “workhorses,” these units deliver 251,000 BTUs/hr and are ideal for highly variable applications using potable hot water. Each is engineered with minimal components to maximize durability – even in the most demanding commercial applications. Installation of these models fits ideally where space is at a premium.

Common Applications

Laudromats, Restaurants - full service and fast food, Salons, Car Washes, Commercial Kitchens.

Key Features

  • Cascade up to 2,510,000 BTUs/hour (10 units) for larger applications

  • 96% thermal efficiency

  • Full modulation delivers maximum BTU/hour input when needed and zero BTU/hour the rest of the time

  • Operates on very low gas pressure down to 2.5” WC

  • Compact and wall-hung

  • Flexible design and circuit options

  • Accommodates 3” PVC exhaust venting up to 130 feet

  • Common venting capable

  • ASME-HLW certified

  • T&P relief valve and inlet water strainer included


Download Technical Documents