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Frequently Asked Questions
What do these items have in common?
Each is a break in a sealed vessel.
A hole, an opening or a covering.
Made deliberately, then made good.
Which is the useful way to see them.
Rather than as accessories.
Why do fittings matter more than the tank?
Because the tank rarely fails.
It is a shell with no moving parts.
The fittings are site-made joints.
Under constant pressure, rarely visited.
And they are what leak.
What does that imply for specification?
Choose them with the tank, not after.
The tank outlives its fittings.
So the fittings decide the installation.
A good vessel with poor fittings.
Is a poor installation.
Does material compatibility matter?
Throughout, and it is easy to miss.
Fittings, gaskets and sealants.
Must suit the tank and the water.
And on a potable tank, the approval.
Which a rainwater tank does not need.
Can the same sealant be used on both?
Not necessarily, and check.
A sealant fine on a rainwater tank.
May not be permitted on a potable one.
And the tanks can look identical.
The approval is on the product.
Why is access a specification?
Because unreachable fittings are unchecked.
They need tightening and replacing.
Over the tank's life.
Which face they are on decides that.
And it is chosen once.
Which single fitting causes most trouble?
The overflow, in practice.
Undersized, unscreened, or discharging.
Somewhere nobody ever looks.
So a fault runs for months.
Before anyone notices it.