Heater Element Amp & Ohm Readings


line in the header graphics


Pool Gallon Calculator

Liquid Calculator


Chemical pH Chart



Salt Levels for Pools

Sand Qty For Filters

Stabilizer Levels


Industry Terminology


MSDS Data Sheets

Product Support

Balboa Ref Cards

Error Codes - Balboa

Error Codes - Others

Manuals / Installation


Heater Element Ohms

Thru-bolt Types

Transformer Tip



Estimated Ohm & Amp Readings for Electric Spa Heater Elements.
Remember that voltage input changes the listed data below.


Watts Voltage Amps Ohms
1.5 kw 120 12.5 amps 38.4 ohms
4.0 kw 240 16.7 amps 14.4 ohms
5.5 kw 240 22.9 amps 10.5 ohms
6.0 kw 240 25 amps 9.6 ohms
11.0 kw 240 46 amps 4.8 ohms

using formula
watts divided by voltage equals amps











Sorry, we are not a retailer. We sell wholesale to businesses associated with the Pool / Spa and Water Industries only.

2015 H2O Company Inc.