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Heater, Low-Flow, Laing Tri-Bend 2000, 15"x2-1/4", 3/4"b, 4.0kW

Heater,Low-Flow,Laing Tri-Bend 2000,15"x2-1/4",3/4"b,4.0kW 46-555-1018

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main 1-element 2-parts 3-connector1 4-connector2 connector1 connector2 element

Horizon # 46-555-1018 - Replaced By 46-355-3068

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Detailed Product Info

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This is a generic replacement heater designed to work with the IQ2000 control box by Watkins Manufacturing only. The current generic replacement heater for the IQ2020 control box is 46-555-1016. An easy method of determining which version you have is to look at the sensors and where they attach to the control system. If they plug into the outside of the control box, it is an IQ2000 system. If they plug directly into the circuit board, it is an IQ2020 system.
  • Control and Limit sensors on the inlet and outlet with 52" cords
  • Features a push button reset high limit switch set to trip at 130°F
  • 48" power cord
  • 316L Stainless Steel Housing
  • Contains a titanium element
  • 6-8 gpm minimum flow rate required
Search Using These Specs Partsology ©
Heater Application Watkins Generic Replacement
Kilowatts 4.0kW
Low Flow Heater Assy Style Stainless Steel
Heater Inlet Size 3/4"
Heater Inlet Type Barb (b)
Heater Outlet Size 3/4"
Heater Outlet Type Barb (b)

A section of 3/4" tubing, 4 clamps, and a 3/4" barbed coupling are included to facilitate retro-fit. Length of tubing necessary will vary by model of tub. It will also be necessary to plug the positive drain line that attached to the OEM heater.

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