Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
Danfoss Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C943 - Quick-Connect Gas Couplings for Portable Gas Heaters
DanfossQuick-Connect Gas Couplings for Portable Gas Heaters

Danfoss Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C943

The DANFOSS Portable Gas Heater Quick Connect Coupling (SKU 31C939) is a brass coupler body designed for portable gas heaters. It features a 1/2 in (F) NPT pipe connection and is compatible with Grainger part number…

SKU 3G-OTH-65903

Brand
Danfoss
Item
Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C943
Category
Quick-Connect Gas Couplings for Portable Gas Heaters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Danfoss
Manufacturer Part Number
100008
Type
31C943, Brass
Material
Brass
Coupler Type
Coupler Body
Pipe Connection
1/2 in (F) NPT
Compatible with Product Type
Portable Gas Heaters
Compatible Grainger Part Number
31C943
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Danfoss Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DANFOSS Portable Gas Heater Quick Connect Coupling (SKU 31C939) is a brass coupler body designed for portable gas heaters. It features a 1/2 in (F) NPT pipe connection and is compatible with Grainger part number 31C943.

Frequently Asked Questions

What is the Danfoss portable gas heater quick connect coupling used for?

This Danfoss brass coupler body connects portable gas heaters to a fuel supply line. It is designed for quick, tool-free connection and disconnection, making it suitable for temporary heating setups on construction sites, warehouses, and outdoor work areas.

What are the specifications of the Danfoss 31C943 quick connect coupling?

The Danfoss 31C943 is a brass coupler body with a 1/2 in (F) NPT pipe connection. It is compatible with portable gas heaters and Grainger part number 31C943. The manufacturer part number is 100008. This coupling is built for reliable gas flow in industrial heating applications.

Where to buy Danfoss portable gas heater quick connect couplings worldwide?

3G Electric supplies Danfoss portable gas heater quick connect couplings worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this brass coupler body with 1/2 in (F) NPT connection.

How to install a Danfoss quick connect gas coupling?

Installation requires connecting the 1/2 in (F) NPT end to the gas heater inlet using thread sealant approved for fuel gas. Ensure the coupling is fully engaged and locked before pressurizing. Always follow the heater manufacturer's instructions and local gas safety codes for proper installation.

Used in

Common applications for Danfoss
Light-oil industrial burners — OD / OD-H nozzles as scheduled replacement parts
Heating-boiler oil-supply circuits — BFP 10L / 11L / 41L pumps and coupling kits
Burner-rack solenoid valves — EV and EVR series for oil and gas shut-off
Legacy plant troubleshooting — matching a failed burner nameplate to correct Danfoss nozzle/pump combination
Refrigeration pressure controls — KP / RT series for secondary-refrigerant loops

Danfoss Products

3G Electric supplies Danfoss quick-connect gas couplings for portable gas heaters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
HANSEN Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Push-to-Connect (MPN 3000). Key specifications — Thread Size: 1/4" -18; Coupling Locking Type: Push-to-Connect; Brand: HANSEN.
HANSEN
HANSEN Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Push-to-Connect (MPN 3000). Key specifications — Thread Size: 1/4" -18; Coupling Locking Type: Push-to-Connect; Brand: HANSEN.
HANSEN Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size, Sleeve, FNPT (MPN 31AP25F). Key specifications — Thread Size: 1/4" -18; Coupling Locking Type: Sleeve; Brand: HANSEN.
HANSEN
HANSEN Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size, Sleeve, FNPT (MPN 31AP25F). Key specifications — Thread Size: 1/4" -18; Coupling Locking Type: Sleeve; Brand: HANSEN.
HANSEN Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Push-to-Connect (MPN 3100E). Key specifications — Thread Size: 1/4" -18; Coupling Locking Type: Push-to-Connect; Brand: HANSEN.
HANSEN
HANSEN Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Push-to-Connect (MPN 3100E). Key specifications — Thread Size: 1/4" -18; Coupling Locking Type: Push-to-Connect; Brand: HANSEN.
HANSEN Quick Coupler Body: NPTF, 1/4" (MPN GR602). Key specifications — attr1249942: GR602; attr1249951: Female; attr1249952: 1/4 in; attr1249954: NPTF; attr1249956: Sleeve; attr1249944: HANSEN; attr1249945: Green.
HANSEN
HANSEN Quick Coupler Body: NPTF, 1/4" (MPN GR602). Key specifications — attr1249942: GR602; attr1249951: Female; attr1249952: 1/4 in; attr1249954: NPTF; attr1249956: Sleeve; attr1249944: HANSEN; attr1249945: Green.
HANSEN Quick Coupler Plug: NPTF, 1/4" (MPN 03A). Key specifications — Manufacturer Part Number: 03A; Hose Connection Gender: Male; Hose Connection Size: 1/4 in; Hose Connection Type: NPTF; Locking Type: Sleeve; Brand: HANSEN; Color Code: Green.
HANSEN
HANSEN Quick Coupler Plug: NPTF, 1/4" (MPN 03A). Key specifications — Manufacturer Part Number: 03A; Hose Connection Gender: Male; Hose Connection Size: 1/4 in; Hose Connection Type: NPTF; Locking Type: Sleeve; Brand: HANSEN; Color Code: Green.
HANSEN Quick Connect Hose Coupling: 3/8 in Body Size, 3/8 in Hose Fitting Size, Push-to-Connect (MPN B23AS37H). Key specifications — Coupling Locking Type: Push-to-Connect; Brand: HANSEN.
HANSEN
HANSEN Quick Connect Hose Coupling: 3/8 in Body Size, 3/8 in Hose Fitting Size, Push-to-Connect (MPN B23AS37H). Key specifications — Coupling Locking Type: Push-to-Connect; Brand: HANSEN.

More from Danfoss

View all Danfoss parts →
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C939, Brass (MPN 100508). Key specifications — Brand: DANFOSS; Pipe Connection: 1/2 in (F) NPT; Coupler Type: Coupler Plug; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C939.
Danfoss
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C939, Brass (MPN 100508). Key specifications — Brand: DANFOSS; Pipe Connection: 1/2 in (F) NPT; Coupler Type: Coupler Plug; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C939.
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C945, 1 in Coupling Size (MPN 100012). Key specifications — Brand: DANFOSS; Pipe Connection: 1 in (F) NPT; Coupler Type: Coupler Body; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C945.
Danfoss
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C945, 1 in Coupling Size (MPN 100012). Key specifications — Brand: DANFOSS; Pipe Connection: 1 in (F) NPT; Coupler Type: Coupler Body; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C945.
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C940, Brass (MPN 100510). Key specifications — Brand: DANFOSS; Pipe Connection: 3/4 in (F) NPT; Coupler Type: Coupler Plug; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C940.
Danfoss
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C940, Brass (MPN 100510). Key specifications — Brand: DANFOSS; Pipe Connection: 3/4 in (F) NPT; Coupler Type: Coupler Plug; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C940.
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C944, Brass (MPN 100010). Key specifications — Brand: DANFOSS; Pipe Connection: 3/4 in (F) NPT; Coupler Type: Coupler Body; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C944.
Danfoss
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C944, Brass (MPN 100010). Key specifications — Brand: DANFOSS; Pipe Connection: 3/4 in (F) NPT; Coupler Type: Coupler Body; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C944.
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C941, 1 in Coupling Size (MPN 100512). Key specifications — Brand: DANFOSS; Pipe Connection: 1 in (F) NPT; Coupler Type: Coupler Plug; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C941.
Danfoss
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C941, 1 in Coupling Size (MPN 100512). Key specifications — Brand: DANFOSS; Pipe Connection: 1 in (F) NPT; Coupler Type: Coupler Plug; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C941.
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C938, Brass (MPN 100506). Key specifications — Brand: DANFOSS; Pipe Connection: 3/8 in (F) NPT; Coupler Type: Coupler Plug; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C938.
Danfoss
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C938, Brass (MPN 100506). Key specifications — Brand: DANFOSS; Pipe Connection: 3/8 in (F) NPT; Coupler Type: Coupler Plug; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C938.