The Weller® Pyropen Jr. is available carded and includes a soldering tip (WPT01), hot air nozzle (WHC0152), protective cap and complete instructions. • Manuals and User Guides for Weller PYROPEN. We have 1 Weller PYROPEN manual available for free PDF download: Operating Instructions Manual The Pyropen™ Junior is a self-igniting butane gas-powered soldering iron and hot air tool. Has temperature control from 15 to 60 watts.Butane Gas Powered Profi Line Soldering Iron The Weller Cordless Pyropen is a manually ignited, butane gas operated, soldering iron with solder, hot blow and n Premium quality butane fuel n Compatible with Weller® Portasol® and Weller® Pyropen® tools n Printed in English and Spanish with operating instructions.