The heater board is charred on the front and or the backside.
Watkins heater relay board 74618.
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This repair upgrade kit fits all the 3 relay iq2020 invensys heater relay boards used on hot spring tiger river caldera and limelight spas.
This heater relay board has been upgraded for use with all iq2020 control boxes from 2001 through early 2009.
Upgraded iq 2020 heater relay board w jumpers shortened screws for the front cover of the iq2020.
The original 73355 circuit board was discontinued in 2008.
By creating a more effective way to connect the relay board to the heater s power cord electrical stress is reduced and the components last longer due to better voltage transfer.
Used on caldera hot springs tiger river and lime light spas.
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My voltage reading was zero a voltage reading of zero indicates a few other possibilities.
Find many great new used options and get the best deals for watkins iq 2020 heater relay board 77119 74618 73355 at the best online prices at ebay.
It s upgraded design provides a more efficient method of connecting the heater s power cord to this board therefore reducing fatigue on the three relays.
When part was upgraded it went from three relays to two.
This is an upgraded iq 2020 heater relay board with jumpers shortened screws for the front cover of the iq2020.
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Newupgraded iq 2020 heater relay board w jumpers shortened screws for the front cover of the iq2020.
Includes the updated iq2020 heater relay board with jumpers and screws to secure to font cover of the iq2020.
Watkins heater relay board 77119.
Bulletproof your watkins iq2020 relay board with this carefully designed relay kit.
Heater relay board with jumpers and shortened screws for the front cover.
The 74618 heater relay board is the newest upgraded beefier heater relay board.
This iq2020 heater relay circuit board is used on the 2001 2009 5 iq2020 control box.
Over purchasing the entire board and make it better than new.
The heater board is charred on the front and or the backside.
What is included upgraded iq 2020 heater relay board w jumpers shortened screws for the front cover of the iq2020 description.
Caldera hot springs and tiger river heater relay circuit board 74618 now 77119.
Hot springs 74618.
Watkins iq 2020 heater relay board 77119.
