I2 C/RS485, 5-Port Comm Hub, IQ 2020

Sku: 74150
$127.19

This 5 port I2C/RS485 adapter is used to “expand” the IQ2020 Controller to allow other accessories to plug into the motherboard. If you’re adding on an IQ 2020® Navigator RF Remote, Music System, Luminescence Multi-Colored LED Light, etc., you’ll need this adapter. The 4 port adapter is also available.
Note: Watkins changed from 8-port to 5-port. The 8-Port was discontinued and replaced with the 5-Port. They used the same part #74150.

This part can be found on many Hot Spring, Limelight, Hot Spot, Hot Spring pre 89, Tiger River models from 1997 to 2023

View Diagrams & Part Compatibility

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Ref. Diagram
# 10 ORCA Control Box and Components (Hot Spring 2009 - 2012) View Diagram
# 6 EAGLE Control Box Retrofit Upgrade (Hot Spring 2009 - 2012) View Diagram
# 3 Wireless TV (Hot Spring 2009 - 2015) View Diagram
# 2 Wireless Music System (Hot Spring 2009 - 2012) View Diagram
# 10 Bluetooth Music System (Hot Spring 2013 - 2018) View Diagram
# 3 Connextion (Hot Spring 2015 - 2018) View Diagram
PUG Control Box and Components (Hot Spring 2007 - 2009) View Diagram
L.E.D. Light Assembly (Hot Spring 2007 - 2018) View Diagram
Wireless HD TV (Hot Spring 2022 - 2023) View Diagram
# 2 Connected Spa Kit (Hot Spring 2023 - 2023) View Diagram
# 9 Control Box Orca (Tiger River 2010 - 2010) View Diagram
Hawk Control Box (Current) (Hot Spot 2012 - 2018) View Diagram
brand model years
Hot Spring Aria (AR) 2009, 2010, 2011, 2012
Hot Spring Grandee (GG) 2009, 2010, 2011, 2012
Hot Spring Prodigy (H) 2009, 2010, 2011, 2012
Hot Spring Sovereign (II) 2009, 2010, 2011, 2012
Hot Spring Jetsetter (JJ) 2009, 2010, 2011, 2012
Hot Spring Envoy (KK) 2009, 2010, 2011, 2012
Hot Spring Vista (SS) 2009, 2010, 2011, 2012
Hot Spring Vanguard (VV) 2009, 2010, 2011, 2012
Tiger River Caspian (CHP) 2010
Tiger River Bengal (M) 2010
Tiger River Bengal (MM) 2010
Tiger River Sumatran (N) 2010
Limelight Bolt (BLT) 2012
Limelight Flair (FLR) 2010, 2011, 2012
Limelight Glow (GLW) 2010, 2011, 2012
Limelight Pulse (PLS) 2010, 2011, 2012
Hot Spring Aria (AR) 2012, 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Aria NXT (ARN) 2022, 2023
Limelight Beam I (BMI) 2022, 2023
Limelight Beam II (BMII) 2022, 2023
Limelight Flair (FLR) 2022, 2023
Limelight Flash (FSH) 2022, 2023
Hot Spring Grandee (GG) 2012, 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Grandee NXT (GGN) 2022, 2023
Hot Spring Prodigy (H) 2012, 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Prodigy (HN) 2022
Hot Spring Sovereign (II) 2012, 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Sovereign (IIN) 2022, 2023
Hot Spring Jetsetter (JJ) 2012, 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Jetsetter (JJN) 2022, 2023
Hot Spring Jetsetter LX (JTN) 2022, 2023
Hot Spring Envoy (KK) 2012, 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Envoy NXT (KKN) 2022, 2023
Limelight Pulse (PLS) 2022, 2023
Limelight Prism (PSM) 2022, 2023
Hot Spring Vista (SS) 2012, 2013
Hot Spring Triumph (TRHN) 2022
Hot Spring Vanguard (VV) 2012, 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Vanguard NXT (VVN) 2022
Tiger River Caspian (CHP) 2004, 2005, 2006, 2007, 2008, 2009, 2010
Tiger River Siberian (L) 1997, 1998, 1999, 2000
Tiger River Bengal (M) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Tiger River Sumatran (N) 1997, 1998, 1999, 2000
Limelight Bolt (BLT) 2012, 2013, 2014, 2015, 2016, 2017
Limelight Gleam (GLM) 2013, 2014, 2015, 2016, 2017
Limelight Glow (GLW) 2013, 2014, 2015, 2016, 2017
Hot Spring Aria (AR) 2009, 2010, 2011, 2012, 2013, 2014, 2015
Hot Spring Grandee (GG) 2009, 2010, 2011, 2012
Hot Spring Grandee NXT (GGN) 2014, 2015
Hot Spring Prodigy (H) 2009, 2010, 2011, 2012, 2013, 2014, 2015
Hot Spring Sovereign (II) 2009, 2010, 2011, 2012, 2013, 2014, 2015
Hot Spring Jetsetter (JJ) 2009, 2010, 2011, 2012, 2013, 2014, 2015
Hot Spring Jetsetter LX (JTN) 2014, 2015
Hot Spring Envoy (KK) 2011, 2012, 2013, 2014, 2015
Hot Spring Envoy NXT (KKN) 2014, 2015
Hot Spring Vista (SS) 2009, 2010, 2011, 2012, 2013
Hot Spring Vanguard (VV) 2009, 2010, 2011, 2012, 2013, 2014, 2015
Limelight Bolt (BLT) 2012, 2013, 2014, 2015
Limelight Gleam (GLM) 2013, 2014, 2015
Limelight Glow (GLW) 2010, 2011, 2012, 2013, 2014, 2015
Limelight Pulse (PLS) 2010, 2011, 2012, 2013, 2014, 2015
Hot Spring Aria (AR) 2009, 2010, 2011, 2012
Hot Spring Prodigy (H) 2009, 2010, 2011, 2012
Hot Spring Sovereign (II) 2009, 2010, 2011, 2012
Hot Spring Jetsetter (JJ) 2009, 2010, 2011, 2012
Hot Spring Envoy (KK) 2009, 2010, 2011, 2012
Hot Spring Vista (SS) 2009, 2010, 2011, 2012
Hot Spring Vanguard (VV) 2009, 2010, 2011, 2012
Tiger River Caspian (CHP) 2004, 2005, 2006, 2007, 2008, 2009, 2010
Tiger River Bengal (M) 2004, 2005, 2006, 2007, 2008, 2009, 2010
Tiger River Bengal (MM) 2005, 2006, 2007, 2008, 2009, 2010
Limelight Bolt (BLT) 2012, 2013, 2014, 2015, 2016, 2017
Limelight Flair (FLR) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
Limelight Gleam (GLM) 2013, 2014, 2015, 2016, 2017
Limelight Glow (GLW) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
Limelight Pulse (PLS) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
Hot Spring Aria (AR) 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Aria NXT (ARN) 2022, 2023
Limelight Beam I (BMI) 2022, 2023
Limelight Beam II (BMII) 2022, 2023
Limelight Flair (FLR) 2022, 2023
Limelight Flash (FSH) 2022, 2023
Hot Spring Grandee (GG) 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Grandee NXT (GGN) 2022, 2023
Hot Spring Prodigy (H) 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Prodigy (HN) 2022
Hot Spring Sovereign (II) 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Sovereign (IIN) 2022, 2023
Hot Spring Jetsetter (JJ) 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Jetsetter (JJN) 2022, 2023
Hot Spring Jetsetter LX (JTN) 2022, 2023
Hot Spring Envoy (KK) 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Envoy NXT (KKN) 2022, 2023
Limelight Pulse (PLS) 2022, 2023
Limelight Prism (PSM) 2022, 2023
Hot Spot Relay (REL) 2019
Hot Spot Rhythm (RHY) 2019
Hot Spring Vista (SS) 2013
Hot Spot Stride (STD) 2019
Hot Spot SX (SX) 2013, 2014, 2015, 2016, 2017, 2018, 2019
Hot Spot Tempo (TEM) 2019
Hot Spring Triumph (TRHN) 2022
Hot Spring Vanguard (VV) 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Vanguard NXT (VVN) 2023
Limelight Bolt (BLT) 2013, 2014, 2015, 2016, 2017
Limelight Gleam (GLM) 2013, 2014, 2015, 2016, 2017
Limelight Glow (GLW) 2013, 2014, 2015, 2016, 2017
Hot Spring Aria (AR) 2015, 2016, 2017, 2018
Hot Spring Aria NXT (ARN) 2022
Limelight Beam I (BMI) 2022
Limelight Beam II (BMII) 2022
Limelight Flair (FLR) 2022
Limelight Flash (FSH) 2022
Hot Spring Grandee (GG) 2015, 2016, 2017, 2018
Hot Spring Grandee NXT (GGN) 2022
Hot Spring Prodigy (H) 2015, 2016, 2017, 2018
Hot Spring Prodigy (HN) 2022
Hot Spring Sovereign (II) 2015, 2016, 2017, 2018
Hot Spring Sovereign (IIN) 2022
Hot Spring Jetsetter (JJN) 2022
Hot Spring Envoy NXT (KKN) 2022
Limelight Pulse (PLS) 2022
Limelight Prism (PSM) 2022
Hot Spot Relay (REL) 2015, 2016, 2017, 2018, 2019, 2020, 2021
Hot Spot Rhythm (RHY) 2015, 2016, 2017, 2018, 2019, 2020, 2021
Hot Spot Stride (STD) 2019, 2020, 2021
Hot Spot SX (SX) 2019
Hot Spot Tempo (TEM) 2015, 2016, 2017, 2018, 2019
Hot Spring Triumph (TRHN) 2022
Hot Spot TX (TX) 2022
Hot Spring Vanguard (VV) 2015, 2016, 2017, 2018
Hot Spring Vanguard NXT (VVN) 2022
Hot Spring Jetsetter LX (JTN) 2022
Limelight Bolt (BLT) 2015, 2016, 2017
Limelight Gleam (GLM) 2015, 2016, 2017
Limelight Glow (GLW) 2015, 2016, 2017
Hot Spring Aria (AR) 2007, 2008, 2009
Hot Spring Prodigy (H) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Hot Spring Sovereign (I) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Hot Spring Jetsetter (J) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Hot Spring Aria (AR) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Grandee (G) 2002, 2003, 2004, 2005, 2006, 2007
Hot Spring Grandee (GQ) 2002
Hot Spring Prodigy (H) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
Hot Spring Highlife (Costco) (HILF) 2006
Hot Spring Prodigy (HQ) 2002
Hot Spring Sovereign (I) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Hot Spring Sovereign (IQ) 2002
Hot Spring Jetsetter (J) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Hot Spring Jetsetter (JQ) 2002
Hot Spring Landmark (S) 2002, 2003
Hot Spring Landmark (SQ) 2002
Hot Spring Vanguard (V) 2002, 2003, 2004, 2005, 2006, 2007
Hot Spring Vanguard (VQ) 2002
Hot Spring Aria NXT (ARN) 2022, 2023
Hot Spring Grandee NXT (GGN) 2023
Hot Spring Sovereign (IIN) 2023
Hot Spring Jetsetter (JJN) 2023
Hot Spring Jetsetter LX (JTN) 2023
Hot Spring Vanguard NXT (VVN) 2023
Limelight Beam I (BMI) 2022, 2023
Limelight Beam II (BMII) 2022, 2023
Hot Spring Aria NXT (ARN) 2023
Hot Spring Grandee NXT (GGN) 2023
Hot Spring Sovereign (IIN) 2023
Hot Spring Jetsetter (JJN) 2023
Hot Spring Jetsetter LX (JTN) 2023
Hot Spring Envoy NXT (KKN) 2023
Hot Spring Vanguard NXT (VVN) 2023
Limelight Beam I (BMI) 2023
Limelight Beam II (BMII) 2023
Limelight Flair (FLR) 2023
Limelight Flash (FSH) 2023
Limelight Prism (PSM) 2022, 2023
Tiger River Caspian (CHP) 2010
Tiger River Bengal (MM) 2010
Tiger River Sumatran (N) 2010
Hot Spot Relay (REL) 2012, 2013, 2014, 2015, 2016, 2017, 2018
Hot Spot Rhythm (RHY) 2012, 2013, 2014, 2015, 2016, 2017, 2018
Hot Spot SX (SX) 2012, 2013, 2014, 2015, 2016, 2017, 2018
Hot Spot Tempo (TEM) 2012, 2013, 2014, 2015, 2016, 2017, 2018
Hot Spot TX (TX) 2012, 2013, 2014, 2015, 2016, 2017, 2018

74150_Instructions_IN62539C

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