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Nature's Comfort NCB-175 - User Manual

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Installation and Operating Manual For
2009-2014
NCB-175, NCB-250
Non-Pressurized Outdoor Wood Boiler
Manufactured by Nature’s Comfort LLC.
Made in the USA
Full color and French manual available online at: / Couleur et manuel en français est disponible en ligne à:
www.naturescomfortllc.com
Built Like A Tank
With Laser Precision
SAVE THESE INSTRUCTIONS
Report # 434-O-01-2 Revision 2014-2.0

Other manuals for Nature's Comfort NCB-175

Questions and Answers

  • T
    Tiffany TaylorSep 3, 2025
    What to do if my Nature's Comfort NCB-175 is leaking water?
    • E
      Edward CookSep 3, 2025
      If your Nature's Comfort Boiler is leaking water, here are potential causes: * **Condensation from first start-up**: Wait 24 hours to heat up and dry out. * **Condensation from wet wood**: Burn only seasoned hardwood. * **Condensation from running below 150F**: Adjust the aquastat to 165-180 with a 15 degree differential.
  • K
    Kenneth JacksonSep 18, 2025
    How to make Nature's Comfort NCB-175 come up to temperature?
    • J
      Jessica FoxSep 18, 2025
      If your Nature's Comfort Boiler is not reaching the desired temperature, it could be due to using green or soft wood. Switch to using dry, hard wood. Also, if the boiler is exposed to wind, place one or two inches of hard board insulation under the boiler between the legs, and then add 1x10s between the legs to hold up the insulation.
  • A
    Alexis WilliamsonSep 16, 2025
    What to do if Nature's Comfort NCB-175 Boiler is steaming but the temperature is 180 degrees or lower?
    • S
      stewarttiffanySep 16, 2025
      If your Nature's Comfort Boiler is steaming while at a temperature of 180 degrees or lower, it's likely due to poor water circulation. To address this, consider changing to a larger pump and ensure the return line comes in on the opposite lower end.
  • S
    Shannon ColemanSep 14, 2025
    How to keep Nature's Comfort NCB-175 fire lit?
    • S
      smcculloughSep 14, 2025
      To keep the fire lit in your Nature's Comfort Boiler, make sure to leave some coals in the burn area. Also, regularly clean the ash out of the ash pan and check the area behind the ash pan to ensure there is no ash buildup blocking the blower airway.
  • M
    mitchellaaronSep 12, 2025
    Why is my Nature's Comfort NCB-175 Boiler burn time so poor?
    • T
      tsimmonsSep 12, 2025
      Poor burn time in your Nature's Comfort Boiler can be attributed to a couple of factors. Using green or soft wood instead of dry, seasoned hard wood is a common cause. Also, if the damper is open too far, it can affect burn time. To resolve this, switch to dry, seasoned hard wood and adjust the damper to be ¼” open at its widest point.
  • T
    Tonya GallowaySep 12, 2025
    Why does my Nature's Comfort NCB-175 overheat?
    • V
      Vincent PhamSep 12, 2025
      Your Nature's Comfort Boiler may overheat due to several reasons: an air leak (make sure the loading door is sealed and adjust if necessary, and ensure the ash pan is shut), the damper being open too far (adjust the damper to ¼” open at the widest point), low water levels in the boiler (add water to keep it full), or an aquastat malfunction (replace the aquastat).
  • A
    amejiaSep 9, 2025
    What to do if Nature's Comfort NCB-175 Boiler is up to temperature but there is little to no heat in the house?
    • T
      Tina GlassSep 9, 2025
      If your Nature's Comfort Boiler is up to temperature but you're experiencing little to no heat in your house, it could be due to several reasons. First, check for poor circulation by touching the pex line leaving and returning to the boiler; little or no temperature difference indicates poor circulation. You may need to change to a larger pump. Other potential causes include a plugged heat exchanger (clean it and add a y-strainer, using treatment), an improperly designed installation (reduce the number of 90’s and T’s used), or insufficient insulation in the building (add insulation to the structure).
  • M
    Matthew HobbsSep 7, 2025
    What to do if the aquastat is calling for heat but the Nature's Comfort NCB-175 unit is not running?
    • A
      Andrea Dougherty PhDSep 7, 2025
      If the aquastat is calling for heat but your Nature's Comfort Boiler unit isn't running, check these: * **Control switch is off**: Turn on the switch. * **Failed aquastat**: Replace the aquastat.
  • K
    Kenneth JonesSep 5, 2025
    What to do if the blower turns on but the solenoid doesn’t open the damper in my Nature's Comfort Boiler?
    • V
      Victoria MacdonaldSep 5, 2025
      If the blower in your Nature's Comfort Boiler turns on but the solenoid doesn’t open the damper, it could be due to: * **Loose electrical connection**: Turn the power off and check all wire connections. * **Solenoid failed**: Replace the solenoid.
  • H
    Harry AndersonAug 20, 2025
    What to do if my Nature's Comfort NCB-175 Boiler is overheating?
    • M
      Mr. Thomas GarrettAug 21, 2025
      If your Nature's Comfort Boiler is overheating, there could be several reasons: * **Air leak**: Ensure doors and covers are sealed and adjust if necessary. * **Blower output damper open too far**: Adjust the damper. * **Poor circulation**: Use a larger pump or pipe, and reduce the number of fittings. * **Water level**: Add water to keep the boiler full. * **Aqua-stat malfunction**: Replace the aqua-stat. * **Not enough demand or warm weather**: Load smaller amounts to prevent a large coal bed from over-producing.

Summary

General Information

Boiler Specifications & Clearances

Lists physical dimensions, performance data, and safety clearance requirements.

Safety Precautions

Essential safety rules to prevent injury and damage during operation.

Controls and Plumbing Connections

Explains the boiler's control system and water hookups.

Heating the Home

Describes how the boiler transfers heat to the living space.

Installing the Boiler

Boiler Location & Chimney Requirements

Guidelines for selecting a site and installing the chimney system.

Pex Pipe & Plumbing Hookup

Details on installing underground piping and water connections.

Electrical Wiring & Thermostat Setup

Covers boiler wiring and thermostat integration for heating systems.

Heat Exchanger Installation

Guides the installation of water-to-air heat exchangers in ductwork.

Filling, Priming, and Sealing

Instructions for filling the boiler, priming, and preparing seals.

Boiler Operation

Proper Wood Fuel and Fire Starting

Specifies wood requirements and procedures for starting a fire.

Loading Wood and Burn Times

Details fuel loading techniques and expected burn durations.

Operation During Power Loss

Procedures for operating the boiler during a power outage.

Maintenance and Troubleshooting

Routine Cleaning and Creosote Management

Outlines cleaning tasks and creosote removal for optimal performance.

Pump and Seal Maintenance

Covers care for the circulation pump and door seals.

End of Season Care

Instructions for preparing the boiler for off-season storage.

Troubleshooting Common Issues

Addresses problems like poor heating, burn time, and overheating.

Safety and Warranty

Critical Safety Warnings and Labels

Highlights essential safety warnings and emergency procedures.

Limited Warranty Terms and Requirements

Details warranty coverage and necessary water treatment/testing.

Nature's Comfort NCB-175 Specifications

General IconGeneral
BrandNature's Comfort
ModelNCB-175
CategoryBoiler
LanguageEnglish

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