A ___ is an accepted reference or practice.
___ draft is air that is pulled through a boiler furnace wit…
___ draft is air that is pulled through a boiler furnace with fans located in the breeching.
A typical standard burner operating control package consists…
A typical standard burner operating control package consists of only two separate pressure controls the operating control and the high limit control.
The boiler pressure should always be ___ the header pressure…
The boiler pressure should always be ___ the header pressure when cutting a boiler in on the line.
The boiler pressure should always be ___ the header pressure…
The boiler pressure should always be ___ the header pressure when cutting a boiler in on the line.
Natural gas is a colorless and odorless fossil fuel.
Natural gas is a colorless and odorless fossil fuel.
Plate-and-shell exchangers usually consist of a cylindrical…
Plate-and-shell exchangers usually consist of a cylindrical shell containing a heating or cooling fluid.
Natural gas is a colorless and odorless fossil fuel.
Natural gas is a colorless and odorless fossil fuel.
A compression tank is normally full of water to feed into th…
A compression tank is normally full of water to feed into the boiler during a low water condition.
A backflow preventer with an intermediate atmospheric vent c…
A backflow preventer with an intermediate atmospheric vent consists of four independent check valves within the body and an atmospheric vent between the check valves.