LIGHT DUTY TTW® DEFENDER SAFETY SYSTEM® MODELS AND NON-DEFENDER MODELS

Light Duty TTW® (Through-the-Wall) units are perfect for applications where installation flexibility is as important as meeting hot water demands. Power vented for positive exhaust, these units can be vented up to 180 equivalent feet horizontally and vertically. These extremely long vent lengths solve difficult ventilation challenges. Light Duty TTW® models are also available in Ultra Low NOx versions.

Product Highlights
ICON
Hydrojet
Defender
Brass Drain Valve
Vitraglas<sup>®</sup>

Features

  • ICON System™ Control
  • ICON System™ Accessory Package Compatible
  • OnGuard RMT™ System Compatible– Accessory Module Required
  • Defender Safety System® (55 and 65- gallon models only)
  • Spark-to-Pilot Ignition System
  • Powerful Blower Motor
  • Horizontal and Vertical Venting
  • Hydrojet®2 Total Performance System (TW4-75S has Hydrojet® Total Performance System)
  • Vitraglas® Lining
  • ¾” NPT Dielectric Waterway Fittings
  • Factory Installed Heat Traps
  • Max Temp - 180°F
  • NSF Construction Available
  • Side Connections
  • Protective Magnesium Anode Rod
  • Low Restriction Brass Drain Valve
  • T&P Relief Valve Installed
  • 2" Non-CFC Foam Insulation
  • 3–Year Limited Tank Warranty– can be upgraded to 5–Year at additional cost

Model Numbers

TW4-50S-67FB-3N 48 Gallon Capacity Short 67,000 BTU/Hr.
TW4-65S-70FB-3N 65 Gallon Capacity Short 70,000 BTU/Hr.
TW4-75S-76B-3N 75 Gallon Capacity Short 76,000 BTU/Hr.

 

Product Literature

Click the links below to download the PDF files
Spec Sheet Parts List Operation Manual Service Manual
355-B 46241C
(75gal) 45861-F
238-45637-00K
(75gal) 238-45917-00P
Supplement 49754-B
46238A
(75gal) 47150A
Light Duty Interium Models Prior to FVIR Integration
355-B Interim 45861-G 238-45917-00E 45960A
Light Duty Models Prior to FVIR Integration
355-B N/A 238-40819-00L 238-39935-00