77119 Heater Relay Board Compatible with IQ 2020 of Watkins, Replaces 74618, Latest Revision of The IQ2020 Control Box 2001-2009.5, Exhibits Durable Quality and Easy Installation

The 77119 ensures that your heater will work properly and provide you with a comfortable bathing temperature,and exhibits durable quality and easy installation and a perfect fit. 77119 heater relay board replaces 74618.If the front or back of the heater board is burnt,you need to replace it. How do you know if your relay board needs to be replaced? ①Turn the temp up and make sure the heater led is on. ②Check the voltage going to the heater at H1 and H2.If no volts are going to the heater then the relay board needs to be replaced. ③D9 light of 77119 flashing red is also an automatic failure of the heater board. It's easy to install the heater relay board. ①Clear all wires from relay board. ②Unscrew and remove the cover support. ③Disconnect three power wires from board. ④Remove the protective plate and the old relay board. ⑤Install the new board includs power jumper. ⑥Completing the Installation.

• What kits are included: A new upgraded heater relay board,power jumpers,shortened screws for use with the front cover of 77119the IQ2020. The 77119 ensures that your heater will work properly and provide you with a comfortable bathing temperature,and exhibits durable quality and easy installation and a perfect fit
• Replacement Part Number: 77119 heater relay board replaces 74618 as of September 10, 2013.This is the latest revision of the IQ2020 control box 2001-2009.5 IQ2020 heater relay board.The improved design reduces fatigue on the two "beefed up" relays by providing a more efficient method of connecting the heater power cord to the circuit board. The large gray terminal block now connects the black wire on the heater power cord to the H1 position. A separate gray terminal block is used to connect the white (neutral) wire from the heater
• How to Detect: How do you know if your relay board needs to be replaced? ①Turn the temp up and make sure the heater led is on. ②Check the voltage going to the heater at H1 and H2.If no volts are going to the heater then the relay board needs to be replaced. ③D9 light of 77119 flashing red is also an automatic failure of the heater board.④If the front or back of the heater board is burnt,you need to replace it
• Easy to Istall: It's easy to install the heater relay board.①Clear all wires from relay board. ②Unscrew and remove the cover support. ③Disconnect three power wires from board. ④Remove the protective plate and the old relay board. ⑤Install the new board includs power jumper. ⑥Completing the Installation. Notes: In older control boxes, you may find that there is a chip on the right side of the new heater relay board that prevents the metal guard from being properly seated.To correct this problem, cut off a small section of the metal guard so that it can be bent up and away from the chip
• After-sales Service: Please confirm whether it is the model you need before purchase to avoid delaying your use! We are committed to providing customers with good service and products.No matter what your problem is,please feel free to get in touch with us.We will reply to you within 12 hours.If there is something wrong with the product,we support return, replacement or refund