Bullfinch 1465 adjustable propane regulator 0 2 bar high volume compact regulator for propane ideal for supplying two or more appliances and appliances with a high throughput such as forced air heaters bitumen boilers and specialised machinery suitable for appliances up to 77k w with 4 8mm bore hose and 87k w with 6 3 or 8mm hose when operated at 1 bar multiply by 1 4 for operation at 2 bar