# How do you find the expected resistance of a heating element?

## How do you find the expected resistance of a heating element?

Know the resistance of the element should be this can be calculated using known values: R = (V x V) / P [Where V is the voltage powering the element, P is the power the element uses and R is the resistance.]

## How much resistance should a heating element have?

The acceptable resistance range for most heaters is between 9-12Ω (ohms), some may be as high as 20Ω. A reading which is too low indicates a bad unit: short circuit. A very high (or infinite) reading indicates a bad unit: open circuit or limited conductivity.

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What is the resistance of water heater?

Elements do have some resistance, so a reading of 10-16 ohms is normal, with higher ohm readings for 3,500 watt elements and lower readings for 5,500 watt elements.

### What is the resistance of the heater?

The resistance of the heater is 52.9 Ohms.

### How many ohms should a 3000 watt water heater element have?

How many ohms should a 3500 watt element have?

16 ohms
A 3,500-watt element should register 16 ohms, a 4,500-watt element should register between 12 and 13 ohms, and a 5,500-watt element should register between 10 and 11 ohms. Replace the element if it does not register on the multimeter. Leave one of the probes touching one of the screws on the element face.

## How much resistance should a hot water heater element have?

In order to find the resistance of the heater element from the above described section, we must algebraically modify the formula to read (r = v/a). Since we know that the hot water electrical circuit feeds 220 VAC to the 16 ampere heating element the resistance of that element is equal to 13.75 ohms.