Conduite d'alimentation en huile Master 4031.534

This Master oil supply pipe delivers fuel oil from the tank to the burner’s oil pump. Parts of this type are typically made from steel or copper and must be sized to match the flow rate demanded by the burner and the length of the run. The pipe connects to the pump inlet via a union or flare fitting; on the tank side it may include a filter and a shut‑off valve (not supplied). When selecting a replacement, the inner diameter and the working pressure rating are the deciding factors – an undersized line causes cavitation in the pump, while an oversized line may introduce air pockets. The ends must also match the thread or flare standard used on the pump and the tank connection. For installation, the pipe must run without sharp bends and be supported to prevent vibration. Any air leaks on the suction side will lead to erratic firing or lockout. If the existing pipe is longer than the replacement, a splice fitting may be used, but a continuous length is preferred. The material should be compatible with the fuel grade (kerosene or light fuel oil) and resistant to the operating temperature near the burner. Always verify that the new pipe meets the same internal bore and fitting type as the original; the manufacturer code 4031.534 corresponds to a specific length and end configuration, but this data is not provided here.