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Heater, Low Flo, Generic, 6KW Heater Assembly

Item #: 73790-Generic

Heater, Low Flo, Generic, 6KW Heater Assembly
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Description-

Your existing 3/4" vinyl tubing will attach to this heater with no worries.

This replacement heater doesn't have a plug on the end of the power cord like on the 1995-1996 spas. In most applications, the heater is connected directly inside the spas control box. If your existing heater plugs into the bottom of your control box, you may need the appropriate adapter. Adapters are listed next to your spa model on the chart below.

Note: The 73791 can be used as an alternative to this heater in a spa that's wired 230 volts. Some service techs prefer the 4kW PDR to this 6 kW siting that it puts less strain on old/weakening 30 amp GFCI breakers. 
73790 draws 25 amps (wired 230 volts)
73791 draws 16 amps (wired 230 volts)

Tip: You can also utilize the cord end (plug) from your old No Fault heater and splice it onto a PDR if needed.

*Your heater may look like one of these discontinued heaters below:
Used 1995-1996
Used 1997-2003
Used 1997-2003
No-Fault Cartridge 1500, 5500 and 6000 Heater only used in 1995-1996 on all Hot Spring & Tiger River spa models. This Watkins No-Fault 6000 heater was used in all Hot Springs spa models from 1997-2003. This heater had a recall in 1997 which amounted to installing a fireproof sock over the heater to prevent fire from spreading in the unlikely event that the spa was drained but not unplugged also known as Dry Firing.   Watkins No Fault 6000 Heater (Tri-Bend) bugle looking heater was used in all 1997-2003 Tiger River spa models and also used in Hot Springs models from 2000-2003.
Both Hot Spring
& Tiger River 
(No-Fault 1500 & 5500
Hot Spring only 
(No-Fault 6000) 
Both Hot Spring
& Tiger River 
(No-Fault 4000 & 6000)
 


Note#1: This PDR (power-down-reset) heater eliminates the manual reset button, which means that you never need to remove the equipment door to reset the heater. Simply power down the spa for 30 seconds by either tripping off the GFCI breakers in the sub panel (on 230volt models) or unplugging the spa (115volt models). Yay for this massive improvement! There is something about the manual reset circuitry on heaters that causes them to expire prematurely. This heater replaces all heaters in all 1995-now Hot Spring, Tiger River and Limelight hot tubs which includes the No Fault 6000 heaters, Watkins No Fault 5500 and the No-Fault 1500 cartridge style heater.

Note#2: 
The inlet thermistor port on these style heaters may require a wrench to thread in the thermistor.

Replacement Hint: It's easier to replace a heater if the spa is drained. However, some folks leave the water in the spa, disconnect the vinyl tubing from their old heater and insert wine corks into the ends of the vinyl tubing. This ensures a minimal amount of water loss during the change out. Clever repair techs use radiator hose pinch off pliers to clamp off the tubing.

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