Guarded buying path

20 lb propane tank to 1 lb portable-appliance adapter hose

This category connects a Type 1 bulk cylinder to a portable appliance designed around a disposable-cylinder inlet. Manufacturer permission still controls the match.

This page coversType 1 / QCC1 bulk-cylinder end and 1 in–20 UNEF / CGA 600 portable-appliance end
Connector pictures

Compare the photographs and illustrations

A picture can help identify the connector family. It cannot measure a thread, establish pressure, or prove that a part belongs on your appliance. Manufacturer references are linked below each example.

A black Type 1 QCC1 handwheel connecting a grill regulator to a propane cylinderActual photograph
The common Type 1 / QCC1 tank connection on a standard propane grill. The black handwheel tightens over the cylinder valve's outside ACME threads.Photo by Ciaran Roche · Used with permission
Common modern 20 lb propane-cylinder connection

Type 1 / QCC1

Large hand-tightening nut that threads over the outside of the tank valve.

A familiar tank end does not establish the required regulator pressure or appliance-end fitting.
Close photograph of the threaded valve on a one-pound disposable propane cylinderActual photograph
The 1 in-20 UNEF disposable-cylinder valve commonly called CGA 600. Portable appliances may present the mating side of this same interface.Jan van Bekkum, Wikimedia Commons · CC BY-SA 4.0
Portable appliance connection normally used with a 1 lb cylinder

1 in–20 / CGA 600

Fine external thread at a compact appliance inlet or disposable-cylinder connection.

A bulk-cylinder adapter is appropriate only when the appliance manufacturer permits one.

Confirm every one of these

  • The appliance manufacturer allows a refillable bulk cylinder with this adapter type.
  • The appliance inlet is exactly the documented disposable-cylinder interface and has not been modified.
  • The manufacturer choice, hose length, pressure arrangement, flow, routing, and clearance match the appliance.
Five checks before shopping

Confirm the complete specification before opening Amazon.

The guide asks about the fuel, appliance use, both hose ends, required length, and manufacturer documentation. It does not show a product search until all five checks are complete.

Products with published specifications

Manufacturer-specified products

These are manufacturer products for stated models or uses. They are not universal hoses. Check the source and your exact appliance before buying.

Manufacturer part information checkedReviewed Aug 23, 2026

Blackstone part #5471

Propane Adapter Hose with Regulator

Blackstone 17-inch and 22-inch tabletop griddles, plus the Griddle and Charcoal Grill Combo listed by Blackstone.

Published length
3 ft
Next source review
Sep 23, 2026
Specifications published by the manufacturer
  • Connects a 1 lb propane griddle inlet to a 20 lb bulk propane tank
  • Includes the regulator
  • Three-foot hose
Why this product is listed

Blackstone states which griddles it fits, the two tank sizes, the three-foot length, and that the regulator is included.

Affiliate disclosure. As an Amazon Associate I earn from qualifying purchases. Amazon price, seller, availability, and rating are checked again at the time of purchase.

Manufacturer part information checkedReviewed Aug 23, 2026

Camp Chef part #HRDSP

Bulk Tank Hose Adapter

Camp Chef Mountain Series compact cooking systems and other disposable-bottle appliances only where the appliance instructions permit a bulk-tank hose.

Published length
5 ft
Next source review
Sep 23, 2026
Specifications published by the manufacturer
  • Attaches a bulk propane tank to a portable propane-tank fitting
  • Five-foot hose
  • Camp Chef lists Mountain Series compact cooking systems as an intended use
Why this product is listed

Camp Chef states that HRDSP connects a bulk tank to the portable fitting used on its Mountain Series systems, and that the hose is five feet long.

Affiliate disclosure. As an Amazon Associate I earn from qualifying purchases. Amazon price, seller, availability, and rating are checked again at the time of purchase.

Manufacturer part information checkedReviewed Aug 23, 2026

Pit Boss part #40750

Propane Adapter Kit, 1 lb to 20 lb Tank

Pit Boss appliances whose current manual or Pit Boss support record calls for its 1 lb to 20 lb propane adapter interface.

Published length
5 ft
Next source review
Sep 23, 2026
Specifications published by the manufacturer
  • Connects a 1 lb propane tank line to a 20 lb propane tank
  • Five-foot hose
  • Published by Pit Boss as an adapter kit
Why this product is listed

Pit Boss publishes the exact 40750 part number, five-foot length, and 1 lb to 20 lb purpose. The grill model must still be checked because Pit Boss products do not all use the same inlet.

Affiliate disclosure. As an Amazon Associate I earn from qualifying purchases. Amazon price, seller, availability, and rating are checked again at the time of purchase.

Manufacturer part information checkedReviewed Aug 23, 2026

Weber part #6501

Adapter Hose

The portable Weber grill, griddle, and gas-ignition model families listed on Weber part #6501, subject to the current serial-number schematic.

Published length
6 ft
Next source review
Sep 23, 2026
Specifications published by the manufacturer
  • Connects a full-size LP cylinder to listed portable Weber appliances
  • Six-foot hose
  • Manufacturer-published model-family fit list
Why this product is listed

Weber publishes part #6501, its six-foot length, and the list of models it is intended for.

Affiliate disclosure. As an Amazon Associate I earn from qualifying purchases. Amazon price, seller, availability, and rating are checked again at the time of purchase.

Sources

Sources reviewed