This document provides contact information for Wattco's offices in Belgium, Canada, Singapore, and the United States. It then summarizes Wattco's immersion heaters, which directly heat liquids with minimal energy loss. Wattco offers custom and pre-built immersion heaters for any industry. Immersion heaters can be configured for different applications and come in models like tank, flanged, circulation, and over-the-side heaters. The document discusses the efficiency and cost advantages of electric immersion heaters over alternatives like gas heaters.

1. Belgium
Rond-Point R.Schuman 11
1040 Brussels
Phone: +32 2 588 5803
Fax: +32 2 588 5804
Canada
Suite 300, 1090 Homer St
Vancouver, BC V6B 2W9
Phone: +1 778 807 9713
Fax: +1 778 807 9657
Singapore
146 Robinson Road #07-01
Singapore 068909
Phone: +65 65009377
Fax: +65 68355173
United States of America
712 H Street NE, Suite 1110
Washington DC 20002
Phone: +1 202 869 0988
Fax: +1 202 869 1121
PRESS RELEASE
Date: 26th
October 2016
Title: Wattco Immersion Heaters: A Guide
Immersion heaters are some of Wattco’s most popular
products. They are one of the best heating solutions
available due to their precision, efficiency, and low
maintenance costs. Immersions heaters, according to
their names, are directly immersed in the substance being heated. This direct contact
between the heating element and the item being heater means that only a minimal
amount of energy is lost during the heating process.
Wattco’s immersion heaters are valued by our clients for their quality, efficiency and
cost. We produce our heaters in-house and have a range of solutions available for any
industry. From fully custom builds for complex projects to more cost effective pre-built
solutions, we are capable of meeting any requirement. We even offer a special rush
order system to deliver customized replacements in under 2 weeks from the order date.
Our heaters are made from a variety of materials and can be customized in a number of
unique ways.
Immersion heaters can be provided in a number of different configurations, depending
on the situation and end goal of the process. For detailed information on how our
immersion heaters can be ordered and customized, please refer to our guide.
There are also several implementations of immersion heaters available depending on
your situation including tank heaters, flanged heaters, circulation heaters, over the side
heaters and screw plug heaters. For more details on each heater type, click on their
names to skip ahead to that section.
Electric heaters vs. other heating types
Unlike other forms of heating, such as gas heaters, electric heaters need no further
form of energy than electricity. As all industrial processing facilities require at least
electricity in order to function, that means that electric immersion heaters can be added
to almost any industrial processing facility with little to no installation or support costs.

2. In fact, our clients frequently experience large improvements in the efficiency of their
heating systems after installing a Wattco immersion heater.
1. Heating Efficiency Advantages
Electric resistance heating, the method by which all electric heating
methods work, is 100% efficient. Using the correct term, electric heaters
operate at nearly 1– AFUE (annual fuel utilization efficiency). All of the
electrical energy used is turned into heat.
When compared to an alternative such as natural gas, the advantages
of electric heating are obvious as heat created by burning natural gas is
only on average 32-38% efficient. That means that 60-70% of the potential energy in
natural gas is lost and is not used to produce heat. However, the question as to are
electric heaters more efficient than their counterparts is more complex than that.
While the actual creation of heat during the industrial process is 100% efficient, getting
that electricity to you and how that electricity is made can also factor in. As electricity is
transmitted, some of it is lost. The amount of loss varies state by state, with Wyoming
being the lowest and Idaho being the highest. The amounts range from 2.2% to 13%.
Why do this matter to an industrial facility? Because you’re charged by the electricity
company for the amount of electricity that they had to lose while shipping it to you. In
general, the more remote your facility, the more you’ll have to pay for the same amount
of electricity.
Natural gas also has to be shipped and, like electricity, some of it is lost in transmission.
In a study by the EPA, it was found that 1.5-2.5% of natural gas is lost in transmission.
This means that there is slightly less loss of ‘fuel’ when using natural gas compared to
electricity. However, since you only get 32-38% efficiency out of that fuel when it is
actually used for heating, the cost of electric heating for industrial processes is typically
lower than natural gas. At the end of the day, however, it will depend on the relative
costs of electricity vs other fuel sources in your area. We would like to note, however,
that the fixed costs of installing any additional electrical lines necessary to power an
industrial electric heating system will likely be much lower than the costs of installing a
whole new fuel system as you would for natural gas or other fuel sources. However,
that advantage will be discussed in greater detail in the ‘total cost’ section.
However, our heaters don’t just improve the efficiency of industrial processes, they also
work to improve maintenance requirements and overall cost.

3. 2. Maintenance advantages
Since they are immersed directly in the substance being heated, all immersion heaters
will require regular maintenance. This is to ensure that the heating system meets safety
requirements and also that it continues to work as efficiently as possible. This is the
same for any immersion heating system. One of the largest advantages of electric
heaters comes from maintenance savings in the required infrastructure.
Natural gas and other similar heating systems require extensive fuel circulation
systems. Some even require onsite storage. The cost of this additional infrastructure
must be taken into account when deciding on a natural gas vs. electric immersion
heater. Each part of a natural gas distribution system will require regular maintenance
and upgrades. Electric heaters on the other hand, require significantly less supporting
infrastructure. Put frankly, electrical wiring is cheap to install and maintain and there is
significantly less risk of catastrophic failure.
Another important factor in the reduced maintenance costs of Immersion heaters is the
reduced amount of safety compliance required. Using natural gas or any other form of
potentially explosive fuel source requires specific safety procedures to be put in place.
This includes equipment costs as well as manpower costs in training and certification in
order to safely allow natural in your facility. Since Immersion heaters use electricity, the
safety framework required is significantly reduced. This helps reduce the overall
maintenance costs of electric heaters vs. natural gas heaters.
While it may seem cheaper to use natural gas as a heating source, all costs need to be
considered: the cost of getting the fuel source to the heaters, how efficiently the heaters
use that fuel source and how much it costs to continue to use that fuel source (safety
and infrastructure upkeep). We have established that electric heaters are more efficient
at actually producing heat; they also cost less in regards to regular maintenance. The
only advantage that natural gas has over electric heating is that sometimes the ‘fuel
cost’ is slightly reduced.
3. Overall Cost Advantages of Electric Immersion
Heaters
On top of the already noted cost savings from the use of electric
immersion heaters, they also offer an advantage in terms of the

4. upfront purchasing price.
Maintenance costs are less
Safety factors are reduced
Replaceable parts are less expensive and easily available.
Electric heaters are more portable than gas heaters making them more practical for
multiple tank operations.
On average, electric immersion heaters cost 45% less than other forms of heaters to
manufacture and install. This cost savings analysis is derived from:
Setup time: Especially concerning skid immersion heaters, the installation time for a
new heater can be as little as 30 minutes.
Customization: Immersion heaters are easier to customize, as they do not rely on a
more dangerous or restrictive form of fuel such as natural gas, this reduces the cost of
building the immersion heater.
Build Time: Since there are fewer infrastructure concerns when building an immersion
heater, the costs of building immersion heaters are reduced. Custom designed heating
systems can be made quickly reducing mission critical downtime.
Highest grade of raw materials is always used.
When combined with the noted improvements to industrial processes and maintenance
requirements, it is clear that installing electric immersion heaters can greatly affect the
bottom line of any industry that requires immersion heaters.
Flanged heaters
Flanged Heaters are a very adaptable form of immersion heater that can be used to
heat up various tank systems. The heater is immersed directly into a portal in the tank
and secured to the flange. They usually come integrated with a temperature probe,
which can then be hooked up to a control panel to follow a heating protocol. By
installing similar sized portals in different tanks, you can allow for your flanged heater to
be transferred from tank to tank based on need or to cycle out tanks for cleaning cycles.
Screw plug heaters

5. Similar to a flanged heater, screw plug heaters are installed directly into a tank so that
the heating elements are completely immersed. The main difference, however, is that
instead of a flange, these heaters are screwed into place. This method of installation
means that they can be very easily moved between tanks, but its simplicity is the most
attractive feature of this product. Thermostatic controls are integrated with the unit to
allow direct control of temperature settings.
Circulation heaters
Circulation Heaters are a variation of immersion heaters that are used in cases where a
fluid is in circulation, hence the name. The heater is connected directly to the pipe
system being used. The fluid is temporarily routed out of the system and into the heater.
It is heated and then transferred back to the main system.
Over-the-side heaters
Over-the-side heaters are typically used in outdoor situations, where heating is required
to combat shifts in weather. Over the side immersion heaters are attached to the side of
large tanks so that the heating element can be immersed in the liquid.
Unique considerations when choosing an immersion heater
Below you will find some of the unique considerations that you may have to deal with
when deciding on an industrial heater:
Desired temperature: The range of temperatures that you will need to reach and
maintain will play a key role in what type of immersion heaters we recommend.
Type of medium being heated (ie. Water, Glycol etc…): Certain mediums are
corrosive to different building materials. Luckily, the building material for a heater can
be changed to accommodate corrosive mediums.
Temperature controls that are required: Industrial heating often requires highly
specific temperature maintenance. Attaching a temperature control to the immersion
heater can help automate the process.

6. How fast do you need the medium to reach its desired temperature?: This can also
dictate the kind of heater that we will recommend.
What is your budget for the project?: Once we understand the budget that you have
available, we will better be able to make recommendations to suit your needs.
What voltage is available?: Electric Immersion heaters do require specific amounts of
voltage and they can be calibrated for different voltage types. Having this information
ready means that we can recommend the ideal heater.
What amperage is available?: Similar to voltage, electric immersion heaters can be
calibrated for different amperage level.
Is it in a standard or an explosion-proof environment?: Wattco immersion heaters
can be customized to meet an array of safety standards. Let us know what
specifications you need to meet.
The Wattco buying process
If you’re ordering a complex piece of machinery, such as an
immersion heater, it’s important to understand how the process
works. For first time buyers, the following steps will occur when
ordering your new immersion heater:
Quote or contact submission on the website: If you have
exact details as to the machinery you will need, we encourage
you to submit a quote for the specific device you will need (circulation heater, screw
plug heater, over-the-side heater or flanged heater). The quote process requires exact
specifications in order to successfully submit, if you are unsure about a particular item,
it may be better to submit a contact form. One of our specialists will then be able to walk
you through the quote process. Alternatively, you may begin the process by calling us
directly.
Quote generation: Once the details of your requirements are settled, a quote will be
generated for you. Typically this is done within 24 hours of you submitting your request
by phone or online.

7. Sales order and approved drawings: Once you accept the quote, a sales order will
be generated confirming the specifications, timelines and prices discussed. Upon
request, we will also generate product drawings/designs.
Credit approval process: The next step of the process involves confirming your credit
in order to approve you for the purchasing amount.
Production: Once the sales order is signed and you have been approved, production
will begin. The time to completion may vary depending on the customization chosen,
however, we typically complete production within 2 weeks of receiving approval to start.
Shipping: Once the heater has been completed, it will be shipped, using the agreed
upon shipping method, to the agreed upon shipping destination. We will include key
information such as the purchase order number, packaging slip. We also offer setup
and installation services on demand for more complex or custom products that we
produce.
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