Skip to content

Learn how simple in-floor heating can be: USA (218) 587-5001

HUG: the leading innovator in making warm floors easy

  • Home
  • Shop
    • The System
    • Heat Sheet under-floor insulation
    • Underfloor Needs
    • Accessories and Parts
    • On Demand Water Heaters for systems
    • Water Heater & Boilers
    • Get a Personalized Quote
    • Cost Estimate Table
    • Shop In Person
  • Learn
    • Instructions & Spec Sheets
    • How To Library
    • HUG Hydronics FAQ
    • HUG Hydronics in the News
    • The Idea to Simplify
    • HUG Hydronics Testimonials
    • Snow Melt
    • Upcoming Shows
    • Why Radiant In-Floor Heat?
  • Train
    • Free Online Training
    • In-Floor Heating 101 Training Slides
    • Recorded Training on Youtube
  • Contact
Log in
  • Facebook
  • Instagram
  • YouTube
HUG Hydronics
  • Home
  • Shop
    • The System
    • Heat Sheet under-floor insulation
    • Underfloor Needs
    • Accessories and Parts
    • On Demand Water Heaters for systems
    • Water Heater & Boilers
    • Get a Personalized Quote
    • Cost Estimate Table
    • Shop In Person
  • Learn
    • Instructions & Spec Sheets
    • How To Library
    • HUG Hydronics FAQ
    • HUG Hydronics in the News
    • The Idea to Simplify
    • HUG Hydronics Testimonials
    • Snow Melt
    • Upcoming Shows
    • Why Radiant In-Floor Heat?
  • Train
    • Free Online Training
    • In-Floor Heating 101 Training Slides
    • Recorded Training on Youtube
  • Contact
Log in Cart

Item added to your cart

Video and Photo Instruction Webpages

  • Planning

    Determine your heat load needs- (wizard, links to another site)

    What flooring can I use? Or how to retrofit my existing home?

    What Heat Source is Right For my home when using a HUG Hydronics System?

    Should I use a Regular Thermostat or a Smart Thermostat for my HUG Hydronics system?

    How do I layout PEX pipes?

    Where to place your HUG Hydronics Unit?

    What Tools do I need to install my HUG Hydronics system?

  • Troubleshooting/Maintenance

    Adding a Wye Splitter

    How to change a Fuse on your HUG Hydronics System

    Replacing your Power Supply

    Replacing a Control Board

    Replacing a Water Sensor

    Yearly Recommended Maintenance (w/o antifreeze)

    If you used bad water.

    2x/Yearly Maintenance with antifreeze

    Changing out a pump

    Adding a new pump

    Troubleshooting your Water Heater

    Didn't answer your questions? email support@hugllc.com

White Board Information (Rev 18)

  • Complete Installation Video: 

    • Step 1: Connecting Your System
    • Step 2: Connecting Your Thermostats
    • Step 3: Board Settings
    • Step 4: Purging Your PEX
    • Step 5: Final Steps

  • Manuals

    User Manual (Rev 18)

  • Boilers

    Lochinvar Boiler

    Combi Boilers ( Lochinvar/State )

Green Board Information (Rev 15)

  • Complete Installation Video: 

    • Pre-Installation Checklist
    • Step 1: Hooking up hoses and pipes
    • Step 2: Connecting the thermostat(s)
    • Step 3: Fill the tank
    • Step 4: Purging
    • Step 5: Selecting settings and Power up
    • Step 6: Adjust thermostats, heaters and final checks

  • Manuals

    User Manual (Rev 15)

  • Boilers

    Lochinvar Boiler

    Combi Boilers ( Lochinvar/State )

    Important Combi Boiler Notice

Accessories

  • Zone Expander Manual

    Boiler Coordinator Manual

    HUG Hydronics Spec Sheet

    Add on Standard Heat Source Install

    Large Heat Source Upgrade Install

    2 Loop Splitter Install

    1 Loop Install

    Jumper Position Card

    Pressure Test Kit

    Navien Boiler Kit

    Rinnai Boiler Kit

    Combi Adapter Kit

    1 Loop Elbow Kit

    H4 (10 Loop) Install Guide

    H4 (3-4 Loop) Install Guide

    3 Port Manifold Kit

    Dual Temp Divider

    Wood Boiler Plate Exchanger Kit

How-To Videos

  • Installing a State Combi-Boiler Adaptor

    How to add a heater pump

    How to install a Navien Heater Kit

    How to install a Rinnai Heater Kit

    How to Pressure Test my PEX tubes

    Why do I need to Use Clamps on my HUG Hydronics system?

    How to Connect your HUG Hydronics Pumps to your PEX Tubing

    How to Attach a Water Heater to Your HUG Hydronics System

    What's a Jumper? and how do I Use it in my HUG Hydronics system?

  • How to Connect Your Thermostat to your HUG Hydronics Control Board

    How to Assign Zones on the Control Board

    How to Prioritize Heat Zones on your HUG Hydronics System

    What do the Indicator Lights Mean on your HUG Hydronics Control Board?

    When to include Glycol Antifreeze in Your HUG Hydronics System

    How to Purge the Air from your PEX Hoses (This one may take longer than 30 seconds

    What's the Overflow Port on the back of my HUG Hydronics system?

    Using a RIB (Relay In a Box)

Quick links

  • Ask for a Quote
  • About Us
  • Contact Us
  • About HUGH the Ducky
  • HUGH the Ducky Talks Tech (blog)
  • Shipping Policy
  • Warranty
  • Join Our Team
  • Policies
  • Concrete Affiliates

Contact Us

Talk to our knowledgeable support staff:

Phone: 218-587-5001
M-F (9am - 5pm Central Time)

Email: sales@hugllc.com

Address:
2331 Dancing Wind Rd SW
Pine River, MN 56474

A Product of Hunt Utilities Group LLC

Hunt Utilities Group has been researching resilient living solutions for two decades in Northern Minnesota. HUG Hydronics in-floor heating system came from a need we felt to find an easier, more flexible way of plumbing in-floor heat systems in our homes.

Country/region

  • Canada (CAD $)
  • United States (USD $)
Payment methods
  • American Express
  • Diners Club
  • Discover
  • Google Pay
  • JCB
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa
© 2025, HUG Hydronics Powered by Shopify
  • Choosing a selection results in a full page refresh.