Assertion: anode | /r/HasProperty | replaced
Facets:
value: ideally
type: MANNER
value: just yet
type: TEMPORAL
value: periodically
type: TEMPORAL
Source sentences:
text: A value of 0.8 indicates that 80% of the anode can be consumed, before it should be replaced.
text: On inspection, if your water heater sacrificial anode is corroded and pitted, or if the lower portion of it has dissolved completely, the anode needs to be replaced and you will need to shorten the interval at which you inspect this component.
text: Anodes should be replaced before they're about half used up.
text: It is called "sacrificial" because the anode dissolves and has to be replaced periodically.
text: If you find that the anode is hard to remove because it appears to be enlarged and cannot pull through the inlet hole, then there is still enough of the anode material to be working properly and it does not need to be replaced just yet.
text: If you find the anode is reduced by more than 1/2 of the original diameter of the rod, then it will need to be replaced.
text: Once anodes are physically depleted by about 50% of their original mass, they should be replaced.
text: Ideally, the anode should be replaced before it has worn down to the core in order that there is sufficient surface area of magnesium to provide adequate corrosion protection.
text: These anodes can be quite thick and appear to have sufficient magnesium left, but because it is heavily coated it is providing little or no effective protection to the tank and such anodes should be replaced.
text: Nevertheless, all heater manufacturers are very definite in recommending that anodes should be replaced in order to ensure maximum effective life of their heaters.