Newupgraded iq 2020 heater relay board w jumpers shortened screws for the front cover of the iq2020.
Caldera spa heater relay board 74618.
New upgraded iq 2020 heater relay board w jumpers shortened screws for the front cover of the iq2020.
Find many great new used options and get the best deals for caldera spas hot spring watkins iq 2020 heater relay board 74618 77119 at the best online prices at ebay.
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This is an upgraded iq 2020 heater relay board with jumpers shortened screws for the front cover of the iq2020.
When part was upgraded it went from three relays to two.
Watkins caldera hot spring tiger river hot spot spas.
Item 74618 old part number is replacement option for 73355 what is included.
Heater relay circuit board 74618 used on hot spring tiger river and caldera spas to control the spa heater on watkins iq2020 control systems and the caldera advent control systems used on many spa models from 2001 2008.
Caldera spas hot springs limelight and tiger river spas heater relay circuit board 77119 metal bracket must be notched to avoid small capacitor on the new board replaces the 74618 as of 9 10 2013 related symptoms of failure.