iQ251D - Deionized
iQ Wall Series
The iQ251D delivers hot, deionized water without any external equipment. Great for heating commercial pools, or in manufacturing processes. Delivering 251,000 BTUs/hr., the commercial tankless wall-hung water packs a powerful punch in a compact form factor. With masterless cascading, the iQ251D lets you get creative with small spaces reliably.
The iQ251D is the most ideal choice to heat water for your commercial pool applications.
Technical Documents
iQ251D Key Features:
- Direct Deionized Delivery: The iQ251D is the only commercial-grade, gas-fired tankless water heater that delivers hot, deionized water without the need for dedicated deionizers.
- Pool Heating: The iQ251D is approved for commercial pool heating applications.
- Prodigious Performance: Delivers 251,000 BTUs/hr. at 96% thermal efficiency and a turndown ratio of 8.3:1.
- Cascades & Integrates Easily: Up to 10 units can be cascaded easily with common venting for a combined output of over 2.5 million BTUs/hr. and a total turndown ratio of 83:1.
- Modulates Fully: Responding to hot water demand smartly, the units dynamically adjust their BTUs/hr. to maximize gas savings.
- Operates in Low Gas Pressure: The iQ251D can operate with gas pressures as low as 2.5"WC.
- Debris-free by Design: The unit's in-built strainer ensures debris-free water for clean operation.
- Next-gen Connectivity: Factory monitoring via telliCare messaging.
- ASME-HLW Compliant: Provides reliability and peace-of-mind for building owners, facility managers, engineers, and contractors.
The Best Commercial Unit For Your Hotel Pool Heating.
The iQ251D's ability to heat deionized water makes it the best commercial-grade tankless water heater for your pool application. Click the button below for a suggested pool application piping diagram.
Versatile
Ideal for hotels, schools, hospitals, restaurants, and other applications
Economical
Lower capital and operating costs compared to tank-type systems
Robust
Commercial-grade, stainless steel heat exchanger with proven durability
