Feeding valve size 1/2 1 inch

Boiler feed valve] (https://grunfars.com/check-feed-valve/) is used as a boiler water filling valve.

One inch bronze drain valve

Yen [boiler blowdown valve](https://grunfars.com/ball-blow-down-valve/) is for low capacity boiler blowdown and descaling.

One inch pure bronze cast iron feeding valve

The body of this [boiler feed valve](https://grunfars.com/check-feed-valve/) is made of cast iron.

CR2 pump

Boiler vent valve

This type of valve is used as an air intake valve, and if an elbow (3.8 inch thread) is used, it can be used as a boiler water sampling valve.