aggressive environment
boiler
breakage
broken
calcification
calcium
checking
cleaning
corrosion
damage
damaged
detail
dirty
disassembly
element
equipment
failure
fix
heat
heater
heating element
holds
inside
lime scale
limescale
limestone
magnesium alloy
mineral
old
plumber
plumbing
problem
purification
repair
replacement
requiring replacement
restoration
scheduled repairs
sediment
service maintenance
steam boiler
technology
thermo
warranty repairs
washing
water heater
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