Brass Tubing valves They have knurled tops and

They have knurled tops and do a great job of adding the additional detail to dress up an engine

most important one just above the minimum safe water level

We carry 2 sizes:  They include a banjo fitting and adapter to fit 1/8" NPT

Parts are inspected with commercial gauges and optical comparator to class 2 specifications

This valve is designed to be used on a boiler as an indication of water level

Brass Tubing valves They have knurled tops andHard drawn seamless tubing. Thread this material in the hard condition. Heating and quenching in water to anneal allows this tubing to be bent without kinking. Do not try to threads in the annealed condition.