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HUG Hydronics

Combi Boiler Fitting Kit (With Fittings)

Regular price $475.99 USD
Regular price Sale price $475.99 USD
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Shipping calculated at checkout.

This kit requires you buy a Combi boiler from us to receive the fittings. 

COMBI Boiler's needs an adapter to work the HUG Hydronics In-Floor Heating System. This is that adapter. Now, with one huge COMBI Boiler, you can heat your house and your hot water with the same boiler. A good match for this adapter is the NKC199N natural gas combi boiler.

* Installs with 1 tool, about 5  minutes of work.

How does it work? 

Combis have a pressure sensor which our adapter replaces with a low water level sensor and air remover. The probe senses if the water is low. If it is it sends a signal to the purge pins to run the pump 3 seconds, raising the water level enough to purge any air.

The water sensing probe gets stuck down a tube on the top, and the power cord goes down a hole and plugs into the circuit board of the COMBI Boiler. On the HUG Hydronics Tanks the black box slips in next to the thumb screws on the back. A hose goes into the tank and a connecting cord feed to the control board and plugs into the purge pins of the heater pump (usually pump #10).


This includes:
(2) 1" PEX to 1" FIP fittings
(3) Wall clamps to mount the cable from the adapter
(1) Lochinvar bypass jumper cable
(1) Combi Adapter

  • Use our Wizard to personalize your System:

    It will help you choose your heat sources, loops, and accessories for a complete 1 stop shopping experience.

    or Ask for a Quote 
  • Supports 4 Thermostat Zones with Priority Zone Settings

    Now up to 8 heating zones!

    Any heating loop can be assigned to any thermostats by simply moving a jumper.

    What's a "Low Priority" zone? 
  • HUG hydronics in floor heating system can connect up to 3 heat sources, electric, gas, wood or solar

    Easily works with up to 3 heat sources

    Such as electric, gas, solar, heat pumps,or wood. Great for off-peak electric and dual fuel applications.

  • Easy installation and maintenance are hallmarks of the HUG hydronics in-floor heating system

    Simple & Understandable

    Easy installation and maintenance. Installs with basic tools. Replace any part with basic or no tools. and it's easy to add water for start-up.

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