Ultra S4 Gas Boiler

  • Cast aluminum coated heat exchanger
  • Up to 94% DOE AFUE efficiency
  • Designed to operate in low temperature condensing applications
  • Outdoor reset and domestic hot water priority
  • Modulates with 5:1 turn-down ratio

 

Description

  • Cast aluminum coated heat exchanger
  • Up to 94% DOE AFUE efficiency
  • Designed to operate in low temperature condensing applications
  • Outdoor reset and domestic hot water priority
  • Modulates with 5:1 turn-down ratio
  • High grade stainless steel burner features quiet operation
  • U-Control gives you the power for easy set-up and maintenance:
    • Multiple set-up and zone options
    • System sensing recognizes system and outdoor temperatures
    • Temperature management for up to three different set-points
    • Control multiple boilers from a single control panel
    • Standard screen messages provide service alerts and maintenance reminders

 

Technical Data

Model AFUE (%) CSA Input (MBH) Net (MBH) DOE Heating Cap. (MBH) Vent Size (in.)
UG- 80 93.5 80 62 71 2″ or 3″
UG-105 94 105 82 94 2″ or 3″
UG-155 94 155 121 139 3″
UG-230 94.1 230 180 207 3″ or 4″
UG-299 92.5 299 235 270 4″
UG-399 91.7* 399 317 364* 4″

 

Downloads

Brochures and Sales Collateral

Weil-McLain_Ultra-Series4-Brochure_WM1905-web

Maintenance Kit Flyer_2

WM1707_FLY_068_UltMnf_Web

 

Manuals

Ultra Gas Boiler Manual 0119 Web Version

Ultra Series 4 Users Manual 550100401_0617 WEB For Viewing Only

 

Technical Documents

Ultra Quick Reference Guide

Ultra Series 4 Suggested Specifications 0621

Ultra Series 4 Boiler Submittal_o

Reviews

There are no reviews yet.

Be the first to review “Ultra S4 Gas Boiler”

Your email address will not be published. Required fields are marked *