Watkins Iq 2020 Heater Relay Board W/ Jumpers Pn 77119 (New); Pn 74618 (Old)

Watkins Hot Spring & Tiger River Heater Relay Board w/ Jumpers PN 77119 ( old PN 74618 & 73355) Replaces Watkins Part Number: 74618 as of 09/10/2013 Model Years: 2001-2009.5 Replaces Watkins Old Part Number: 74618 & 73355(New Revision 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. The black wire from the heater's power cord now connects into the H1 position on the large gray terminal block. The heater's white wire (neutral) connects onto its own separate gray terminal block labeled H2. This will reduce stress on the relays and increase their lifespan due to better transfer of voltage.

The ground wire connection remains the same. The incoming power wires and the black & white wire from the heater are inserted into the gray terminal blocks round holes by prying the gate open using a small screwdriver. This upgraded circuit board replaces the 1st, 2nd, or 3rd generation boards in the IQ2020 Control Box found in all 2001-2009.5 Hot Spring, 2001-2009 Tiger River and 2008-2009 Limelight spa models. Symptoms this part has failed: • No power going to the heater even though the red HTR ON L.E.D. Light is lit inside the IQ2020 control box.

• The heater board is charred on the front and/or the backside - See PIC 3 for example Note: In older control boxes, you may encounter that a chip on this new heater relay board prevents the metal guard from seating properly and it may need to be trimmed. For more details.Symptoms of this part failing: 1) GFCI trips off when the heater comes on; 2) The heater board is charred on the backside -- look for black or white ash charred area. If present, your relay board is bad. 3) Spa is not heating - no power getting to heater terminals on Relay Board DON’T SEE AN ITEM? If you DO NOT see an item that you NEED for your Hot Spring Spa or Jacuzzi Hot Tub -- please EMAIL US!

We may just have it and we can quote you a price: email us! JOIN! Subscribers to our store and receive "Private Subscriber Discounts" news-blasts. Select us as a “Favorite Seller” and this will set you up as a subscriber. QUESTIONS & OFFERS: If you wish to submit an offer on a part/accessory, or have any spa tech questions, email us!

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