Unscrew and remove pressure relief valve pipe nipple (14), safety relief
Pressure relief valve
valve (15), pipe-to-tube straight adapter (16), and pipe bushing (17).
pipe nipple (14)
Safety relief valve (15)
Pipe-to-tube straight
adapter (16)
Pipe bushing (17)
Unscrew and remove pipe bushing (18) and pipe elbow (19) from low
Pipe bushing (18)
pressure heating boiler (20).
Pipe elbow (19)
Low pressure heating
boiler (20)
TM 3-4230-209-30&P
2-227