low pressure from shower head

very low pressure from shower head but pressure of water from pressure release outlet at bottom of unit is high
Asked 8 years ago by david
I think the Pressure Relief Device (PRD) may have activated.

It’s a safety device on the bottom of the heating tank.

It is fairly easy to replace however there is usually something that causes it to blow, often a kink in the hose or the showerhead is blocked, so check this before fitting the new PRD.

Answered 8 years ago by Anonymous

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