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Spa Installation

Your Frequently Asked Questions About Preparing for Spa Installation.

What Are The City Building Code Requirements?

Though this will vary a bit by city, basically these 3 things are required:

  1. Your spa must be protected by a GFCI.
  2. You must have a Disconnect Box visible from your spa and at least 5' away. (except with 120V spas - see Note below)
  3. Your spa must not be within 10' of the vertical drop from any power line.

Note:  Most electricians will fulfill the first 2 requirements with a "Spa Panel".  This is a box where the GFCI is the cutoff.  They run around $ 60 - $120 at Home Improvement Stores.

What Kind Of Foundation Do I Need For My Hot Tub?

We will suggest a "firm, flat, and relatively level" foundation.  This may be concrete, pavers, pea gravel, or crushed granite.  You can also put your hot tub on a deck.  In this case, you want your deck to support a minimum of 150lbs. / sq. ft.

What Are The Electrical Requirements?

Most hot tubs (of all brands) require a 240V*, 50 Amp, Dedicated service.  Some of the largest hot tubs (with more than 2 pumps) will require 60 Amps.  Some of the smallest will operate on a 120V, 20 Amp, Dedicated line.  In fact, most 120V are "Convertible",  which means they can operate on either 120V or 240V.  However, this does require removing a jumper wire and changing the DIP switch settings!

It is important that copper wire be used, not aluminum!

240V installations have 4 wires: 2 Hot lines (Black & Red), a Neutral (White), and a Ground (either Green or bare copper). Download our Spa Voltage Check Guide.

Finally, although 8 Gauge wire can be used in some 240V installations, we will always suggest 6 Gauge copper wire.  6 Gauge is substantially larger than 8 Gauge and will help your motors last longer by reducing any voltage drop.

* 220V, 230V, and 240V are all the same thing, as are 110V, 115V, and 120V.

How Much Does An Electrician Charge To Connect My Spa?

Generally speaking you should plan on paying $500 - $750 for the installation of a dedicated, 240V, 50Amp service.  Please click here to see Electricians we recommend.

What Is A GFCI?

A GFCI is a Ground Fault Circuit Interrupter.  They are also called GFI's.  They are designed to protect you.  In fact, you already have GFCI's in your home (although they are 120V) in your kitchen and bathroom (anywhere there is power and water).

Can I Put A Spa In-Ground?

You certainly can.  We recently created a separate website devoted exclusively to In-Ground Spa & Hot Tubs.

Follow this link:

Austin InGround Hot Tubs & Spas

What Does "Appliance Grade" Mean?

Several companies making poor quality hot tubs have taken to calling their spas, "Appliance Grade".  To us it means, "Stay Away".  None of the best spa manufacturers use this term.  This is nothing more than another bit of marketing hype by some of the worst players in our industry.

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