
I've used these on a propane heater and they fit as they should, but with a metal connection not only is tape required but a rubber gasket like the one you have on the female end of a garden shed (although it would be smaller), otherwise you will get a small leak

12V Brass Solenoid Valve, 3/4" Electric Air Valve For Water, Air, Gas, Fuel And Oil - Normally Closed By Beduan
10 Review

Joywayus 5/8" ID Hose Barb Hex Union Brass Fitting Water/Fuel/Air With 10 Stainless Steel Clamps (Pack Of 5)
13 Review

Vacuum cleaner Dreame V9 Global, white
145 Review

Upgrade Your Draft Beer Kegerator With The TerraBloom CO2 Keg Pressure Regulator - Dual Gauge Heavy Duty Unit With Safety Features
16 Review