How do I know if my heater relay is bad?

If you have a faulty blower motor, you may experience low airflow from the vents, even when the fan is on high. There will be no air coming from the vents if your fan isn’t working due to a bad blower motor resistor.

Which is the latest hot spring spa relay board?

The 74618 Heater Relay Board is the newest upgraded beefier heater relay board. The original 73355 circuit board was discontinued in 2008. A voltage reading of zero indicates a few other possibilities.

How do you turn off a hot spring heater relay board?

Now turn off the power to your spa. Either unplug it if it’s 120 volt model or turn off the breakers if it’s wired 240 volts. Find where the black and white wire from the heater’s power cord connect onto the front of the heater relay board.

What’s the latest circuit board for a hot spring?

(New as of 9-10-2013) This IQ2020 Heater Relay Circuit Board is the newest revision for the 2001-2009.5 IQ2020 Control Box. It’s upgraded design provides a more efficient method of connecting the heater’s power cord to this board therefore reducing fatigue on the two “beefed up”relays. Click on the “More Info” button for details.

How to hook up a hot springs relay?

Hot Springs Relay Hot Tub Electrical Wire Hookup – YouTube how to connect the 3 electrical wires and the ground to the control panel of the Hot Springs Relay Hot Tub model Circa 2013.