iQ251 Wall-hung Commercial Tankless System

iQ251 Wall-hung Commercial Tankless System

Commercial Tankless on-demand water heater

KEY FEATURES

• Stainless (316L) Heat Exchanger
• Flexible-Floating Design, stress-relieving and thermal shock resistant
• Multi-Unit - Masterless cascading with common venting
• Gas Pressures - Operates on gas pressure range of 2.5"- 14" w.c.
• ASME-HLW Compliant
• Designed and Built in the U.S.
• 3.5" Color Touch Screen - access to usage data, troubleshooting, and parts wear
• Wi-Fi Connectivity

PERFORMANCE

• Turndown Ratio of 8.3:1 per unit.
• Cascade up to 10 units with common venting for a total of
over 2500MBH and a 83:1 total turndown ratio

Specification

Type Indoor/Outdoor, Commercial, Wall Hung, Tankless, Fully Condensing, Tankless On-Demand Water Heater
Fuel Preset for NG / LP convertible
Minimum / Maximum Input (BTU/hr) 30,000 / 251,000
Maximum Output (BTU/hr) 240,960
Thermal Efficiency 96%
Dimensions H X W X D (Inches) 26.2 X 17.7 X 15 (3.9 CU. FT)
Weight (LBS) 90 LBS
Water Inlet / Outlet Connection 3/4” NPT
Gas Inlet Connection 3/4” NPT
Minimum Flow Rate for Activation 0.6 GPM
Ignition Electronic Spark Ignition
Venting Type Direct Vent (2 pipe – intake & exhaust), Power Vent (1 pipe – exhaust only)
Venting Materials Sch. 40 PVC, Sch. 40 CPVC, Polypropylene, Stainless Steel (AL29-4C)
Max 3” Vent Length – Single Pipe / Power Vent 130 ft, deduct 5 ft per 90° elbow
Max 3” Vent Length – Two Pipe / Direct Vent 65 ft, deduct 5 ft per 90° elbow
Common Venting Yes
Installation Location Ambient Temperature 40°F – 130°F
Safety Flame Rod, Thermal Fuse, Overheat Prevention Device, Fan Speed Monitor, Flue Temperature
Monitor, Blocked Vent Detector, Water Shut-Off Valve, 2X10A Fuse, Dual Flame Sensing, Flue Damper
Water Pressure Min / Max (PSI) 30 / 160
NG/LP – Minimum Static Gas Pressure 1/2” (non-corrugated, black iron) 6”
NG/LP – Minimum Static Gas Pressure 3/4” (non-corrugated, black iron) 2.5”
NG/LP – Maximum Static Gas Pressure 14”
Gas Pressure for Adjustments 8” for NG, 11” for LP
Electrical 120V AC, 60 Hz
Power Consumption 500W (Max 4.2 Amps), 8W (Standby)

Technical specification

Unique ref.iQ251
Product familyiQ Series
Product groupCommercial Tankless System - Wall Hung
TypeObject (single object)
Date of publishing2020-05-11
Edition number1

Links

Product urlhttps://intellihot.com/products-commercial-tankless-hot-water-heater-type-gas/iq-series/iq251-iq-series/
Installation instructionshttps://intellihot.com/resources/downloads/gen-ii/profile/iq251-gen-ii
Product certificationhttps://intellihot.com/resources/downloads/gen-ii/profile/iq251-gen-ii
Technical descriptionhttps://intellihot.com/resources/downloads/gen-ii/profile/iq251-gen-ii

Material mainSteel
Designed inUnited States
Manufactured inUnited States

Classification

BIMobject CategoryHVAC - Water heaters
IFC classificationHeat Exchanger
ETIM CodeEC000392
ETIM NameInstantaneous water heater
UNSPSC nameCommercial water heaters
UNSPSC code40101826
Uniclass 2015 CodePr_60_60_96
Uniclass 2015 DescriptionWater heaters
CSI MasterFormat 2014 Code23 00 00
CSI MasterFormat 2014 TitleHeating, Ventilating, and Air Conditioning (HVAC)
OmniClass Number23-31 29 11
OmniClass TitleInstantaneous Hot Water Heaters
CSI UniFormat II CodeD3090
CSI UniFormat II TitleOther HVAC Systems & Equipment

Region availability

North America	South America
Anguilla	Guyana
Antigua and Barbuda	Suriname
Aruba
Barbados
Belize
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Collectivity of Saint Martin
Cuba
Curaçao
Dominica
Dominican Republic
Grenada
Guadeloupe
Haiti
Jamaica
Martinique
Montserrat
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Vincent and the Grenadines
Saint-Barthélemy
Sint Maarten
The Bahamas
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States