Safety Huddle Guide (August 2004) - EHSCP

There is a pressure relief valve that is rated at 500 psi, so that if pump pressure ever exceeds 500 psi, the valve will activate sending water through the clear hose(see page 9), so as to not damage the heater. Before cleaning, it is highly recommended that this hose be put in a sink, bathtub, or other water output. ................
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