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20th order by Robert from QLD
Truma AquaGo Comfort Instant Gas Hot Water System - 60,000 BTU - Black Access Door
$2,399.10
$2,080
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This is a genuine Truma exhaust pressure switch spare part to suit the AquaGo Water Heater. It is shown as #4 on the parts diagram.
Six short flashes followed by two long flashes on the appliance's red error LED indicate error code 3, an exhaust pressure switch (EPS) fault. This does not confirm that the switch itself has failed: a blocked exhaust channel or a flue-fan fault can also cause this code. Replace the switch only when diagnosis confirms it is faulty, rather than ordering from the flash code alone.
The switch forms part of the gas-valve safety circuit. Do not bypass or bridge it to make the heater run, as this defeats its safety function. Keep the combustion-air inlet and exhaust outlet clear of obstructions. Before accessing electrical terminals, isolate the 12 V supply and turn off the gas supply.