Marquis by Kingsman Conversion Kit-Millivolt-Natural Gas 26IDV-CKNG
Marquis by Kingsman Conversion Kit-Millivolt-Natural Gas 26IDV-CKNG is backordered and will ship as soon as it is back in stock.
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Maspeth, NY 11378
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Description
Description
The Marquis by Kingsman 26IDV-CKNG is the factory millivolt conversion kit that changes the Kingsman Capella IDV26 direct vent insert from propane (LP) to natural gas. It is required only when the unit must burn a different gas than it shipped for, and only on millivolt (standing pilot) units; IPI and Proflame 2 units use different kits.
Features
- Converts propane (LP) to natural gas
- For the Kingsman Capella IDV26 direct vent insert
- Matched to the millivolt (standing pilot) valve
- Ships with conversion instructions and label
Key Specifications
| Model | 26IDV-CKNG |
| Type | Fuel conversion kit, millivolt |
| Converts | Propane (LP) to natural gas |
| Fits | Kingsman / Marquis IDV26 millivolt |

What Is Included and What You Will Need
- Included: Marquis by Kingsman 26IDV-CKNG conversion kit with instructions
- Required: a Kingsman IDV26 insert set up for propane with millivolt ignition
- Required: a qualified gas technician
- Opposite direction: 26IDV-CKLP
Installation Notes
Conversion is done by a qualified service technician following the kit instructions, with inlet and manifold pressures checked afterward. In NYC, gas appliance work is done by a licensed master plumber under the NYC Fuel Gas Code.
Book a design consultation and we will confirm the kit for your fireplace.
Documentation
Frequently Asked Questions
Is this kit required?
Only to change the fuel. A fireplace already set up for natural gas does not need it.
How do I pick the right kit?
Match the model and ignition type on the rating plate. Millivolt, IPI and Proflame 2 versions use different kits.
Related reading: Direct vent gas fireplace buying guide, Linear vs traditional fireplaces.
Warranty
Kingsman limited warranty, per the Kingsman and Marquis manuals: component parts found defective in materials or workmanship are replaced for one year from installation through an authorized Kingsman dealer. The lifetime term covers the fireplace heat exchanger, combustion chamber and burner, not accessories.
Marquis by Kingsman Conversion Kit-Millivolt-Natural Gas 26IDV-CKNG is backordered and will ship as soon as it is back in stock.
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The appliance
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The complete setup
Ask us to pair the appliance with the correct trim, venting, cover, cart or other model-specific accessories.
The installed project
For projects within our service area, ask for a quote covering product selection, compatible components and installation.
These are planning options, not pre-priced bundles. Accessories, delivery and installation are separate unless your written quote includes them.
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Make sure this model fits your project
A few details now can help you avoid ordering the wrong size, fuel type or installation components.
1. Confirm fit
Check finished dimensions, opening or cutout measurements and the manufacturer’s required clearances.
2. Match the fuel and connections
Confirm the exact model’s fuel type, electrical requirements and any venting or ventilation requirements.
3. Complete the setup
Check what is included. Ask us to quote compatible accessories, delivery and installation separately where needed.
See the work. Hear from customers.
Explore completed installations and independent Google reviews to learn about working with NYC Fireplaces & Outdoor Kitchens.
Questions to settle before you order
How do I know which size and configuration to order?
Have your dimensions, photos, fuel or power details and preferred model ready. Contact our showroom before ordering if fit or compatibility is unclear. Follow the manufacturer’s installation instructions.
Does the price include everything I need?
Check the product description and selected configuration for included parts. Venting, trim, surrounds, covers, carts, fuel and installation may be separate. Ask for a complete quote before purchasing.
Can you deliver and install it?
Delivery and installation depend on your address and the product. Review our shipping policy and call for an installation quote. Confirm availability and timing before booking work. Read shipping details. Read return terms.
Can I order a showroom or open-box unit online?
Call our Maspeth showroom for current pricing and availability. Confirm the exact unit’s condition, included components, warranty and pickup or delivery arrangements before payment.
Product, accessory and installation prices are separate unless the offer explicitly includes them. Compatibility must be confirmed for the exact model.
