A WI system needs some maintenance just like other systems on a car. Above all do the install right the first time and take your time and plan things with maintenance in mind.
Get the jet adapters so servicing the jets after the initial install is less painful/easier.
Without something like a DDS3, WI users should actually check the spray pattern once in while. IMO no need to go crazy but if the tune is lean and WI is needed/used to help with this then you need to pay (spend some time under the hood double checking things) to play.......jet adapters help with this.
Be careful and use liquids from sealed containers to help avoid contamination.
Check fluid lines and wiring looms for problems such as rubbing/chafing against another part/component/body structure.....etc. (planning the install carefully can sometimes help prevent problems with this)
During the install make access to the filter(s) easy for back flushing as part of regular WI maintenance.
During the install make sure of good elec connections using proper soldering techniques and heat shrinking or otherwise to prevent the elements from getting into the connections/splices.
Be creative if necessary when doing the install so components that should not get hot, actually do not get hot after hard use. If necessary add a cooling duct of some sort for additional airflow.
When mechanics do oil changes they also at the least (or should) visually look at other non oil/filter related things, with WI added to a car/truck, it too needs to be reviewed and it too needs to be included in a maintenance plan....oil change time is a good time for taking a visual of the WI system.
Also review the trouble shooting threads for things that seem to creep up from time to time for ideas in making the install better or more fool proof.
Some of the trouble shooting threads describe how to test for a pump not working, this test can also be used as part of a maintneance plan that consists of checking the jets spray pattern by manually activating the pump under the hood while the jet are in a measured container (again jet adapters make this process much easier).
For the money and the potential problem they could cost on a tuned car, buy extra jets and swap them out once a year or more often if you want, they can be tested but if the cost is cheaper then your time to test, swap them out.
Sorry for the long post, I just wanted to express my opinion that besides spending money for more or better saftey controls you need to also do some carefull work during the install and include some maintenance work afterwards.
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