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Gatsby Low Flow replacement series heaters 

Upgraded - Titanium element

Upgraded - High limit safety reset switch

Upgraded - Visual Diagnostic System light "VDS"

   HEATER  REPLACEMENT CHART 

 Heater models 

HQ replacement 

Kilowatts    

240v/120v 

Amps   

240v/120v 

E2550-0300ET,  26-08175  
E2550-0301ET,  26-08156  
46-371-1295

28-E0300 -7T-K

5.5kW 
1.4kW 

22.5a.  
11.3a. 

E2400-0300ET,  26-08174  
E2400-0301ET,  26-08157  
46-371-1296

28-E0300 -5T-K

4.0kW 
1.0kW 

16.7a.  

8.3a. 

E2300-0300ET, E2280-0300ET  
E2300-0301ET 

28-E0300 -4T-K

3.0kW 
.75kW 

12.5a.  

6.3a. 

E2150-0300ET,  E2140-0300ET 

 Contact Distributer 

1.5kW  

230v only

 

6.3a    

230v only

 

WARNING!

      This electrical heater should be installed by a qualified electrician or pool/spa technician

If you’re not qualified or do not have the technical experience to install this product 
correctly STOP! And contact your heater provider    

WARNING!

      Removing the product label, disassembling, altering, damaging, removing the cord/plug

        or subjecting heater to a wet or dry fire will void the product warranty 

PRECHECK - APPLICATIONS 

Read through these instructions completely, prior to performing work.

Inspect for shipping or other damage. Do Not attempt to install a heater that appears damaged or missing parts

Confirm this heater has the same or less Kilowatt (kW) rating as the one being removed. Use heater data labels to
compare kW ratings. Do Not install a heater with a higher kW rating, contact your heater supplier with questions.

This heater is intended for vertical mounting applications only and should never be placed on its side, mounted
upside-down, or in areas that may spray or collect water. This product is intended for indoor use only

Heater requires a minimum consistent water flow rate of 6 gallons per minute and will operate at 115-240v.

Confirm operation of the electronic sensors and circ. pump being reused prior to installation

SAVE A COPY OF THESE INSTRUCTIONS

SpaDepot.com

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