Balboa 3kw M7 Heater - 58118 (Plastic Box Fit)
Official high-quality replacement 3.0kW Balboa spa heater with M7 sensors used specifically on hot tubs and spas. This particular 3kw M7 model has the shorter 12-inch sensors and has two studs on the heater tube which is used to secure into all Balboa plastic boxed M7 GS & GL spa control boxes.
The following items are included with this complete Balboa 58118 spa heater assembly:
- 2x 2-inch heater gaskets
- 2x studs with 3/8" mounting nuts
- 2x Balboa 12-inch M7 sensors
- 2x 2-inch plumbing union tailpieces
Balboa Heater Overview
- Heater can be fitted only to plastic control boxes, Balboa GS500Z, GS501Z, GS510SZ, GS501SZ, GS510DZ, GS520DZ, GS523DZ, GL2000 & GL2001.
- Patented Balboa M7 sensors, one at each end of the heater used to monitor temperature and flow rate within the heater tube.
- Found on 80% of spas here in Europe, spas from brands such as Viking Spas, Cove Spas, Spaform, Hydropool, Beachcomber, Hydrospa, Aegean, Master Spas, Catalina, Canadian Spa, Danz, Clear Water, Villeroy, Passion Spas, Fonteyn, Marquis Spas, Strong Spas, Spacrest and many others.
Balboa Heater Specifications
- Manufacturer - Balboa Water Group
- Part Number - 58118 (replaces many other part numbers)
- Type of Product - Spa or Hot Tub heater assembly
- Kilowatt Rating - 3.0kW
- Element Material - Incoloy 800
- Flow Detection - 2x 12" M7 sensors
- Sensor Type - M7 Sensors
- Plumbing Union Size - 2 inches (78mm thread OD)
- Pipework Connection Size - 2 Inch female socket (60mm ID)
- Length: 380mm,
- Length Inc Union Tails: 495mm,
- Diameter: 60mm
- Distance of Terminals: 31.75mm
Heater Fitting & Removal Guide
This M7 Balboa heater is mounted within the bottom of the spa control box, you can remove this heater without the removal of the control box. Do this by undoing the two large plumbing union collars first and if needed unscrew the two screws from the split heater collars and remove them completely to give you more space. Disconnect the two copper power terminal straps by removing the two 3/8" nuts and gently bend up the copper straps away from the terminals. The heater tube itself is held into the plastic control box by two 3/8" nuts, one above and one below the centre of the heater tube. Loosen the nuts and unplug the two M7 sensors from the printed circuit board by pushing the small tab in and unclipping from the PCB. Remove the heater from the control box and reinstall in the same order.
Take care when tightening the two heater power wires onto the new heater terminals, use a 1/4 inch spanner and hold the base of the terminal whilst tightening the 3/8 inch nuts up to prevent the terminals being twisted. New gaskets are supplied with the new heater so replace and fit these to your heater union connections.
We Are Here To Help!
It can be a bit confusing choosing your new spa heater as brand names and models are not always written on them. The quickest way is to simply send us some images of the complete spa heater assembly you need the replacement for through our Contact us page and let us do the work for you.
Your order will generally be dispatched on the same working day as receipt of payment is received before 2pm. We ship via DPD with tracking.
When you place an order, it's often better to provide us with your mobile telephone number instead of your landline number. This is so we can give it to our courier, who will then text you your exact time and date of delivery, even down to the hour it will be delivered.
Please be aware: All the delivery prices listed below are inclusive of VAT to the UK. All other countries will not be charged VAT. *All spa covers and chemicals can only be shipped to UK mainland, please call for a shipping quote for all other delivery destinations.*
SPA COVERS: Unfortunately due to the size of spa covers and the costs to send them they are not included within the free shipping method over £100. Shipping covers are charged at £24.00 with a 1-2 day service when ready, stock covers due to Covid-19 take around 14 days from order to be shipped, custom covers 10-12 weeks from date of order.
|Region||Cost & Delivery Time|
|Delivery to England, Wales & Scotland
(Excluding Scottish Highlands & Islands)
Order values over £100 - Free (DPD Next working day)
|Scottish Highlands & Islands||Delivery to the Scottish Highlands & Islands (Up to 20 kgs), Prices are doubled when over 20 kgs.
DPD 2-3 days - £25.62
|Northern Ireland||Delivery to Northern Ireland (Up to 20 kgs), Prices are doubled when over 20 kgs.
Economy delivery 2-3 days - £18.00
|Isle Of Scilly||Delivery to Isles of Scilly (Up to 20 kgs), Prices are doubled when over 20 kgs.
DPD 2-3 days - £21.35 (ex. VAT)
|Republic Of Ireland||Delivery to the Republic of Ireland (Up to 20 kgs), Prices are doubled when over 20 kgs.
DPD 2-3 days - £15.00 (ex. VAT)
|Isle of Man||Delivery to the Isle of Man (Up to 20 kgs), Prices are doubled when over 20 kgs.
DPD 2-5 days - £25.00 (ex. VAT)
|Jersey & Guernsey||Delivery to Jersey & Guernsey (Up to 20 kgs), Prices are doubled when over 20 kgs. DPD 2-5 days - £25.00 (ex.VAT)|
|Delivery to Belgium, France, Germany,
Luxembourg & Netherlands.
|Delivery 2-3 days - £15.00 ex. VAT (up to 20kgs), Price doubles when over 20 kgs.|
|Czech Republic, Slovakia, Italy & Spain (Mainland).||Delivery 2-5 days - £22.42 ex. VAT (up to 20kgs), Price doubles when over 20 kgs.|
|Switzerland||Delivery 2-5 days - £48.04 ex. VAT (up to 20kgs), Price doubles when over 20 kgs.|
|Austria & Denmark||Delivery 2-5 days - £18.15 ex. VAT (up to 20kgs), Price doubles when over 20 kgs.|
|Iceland, Norway & Serbia||Delivery 4-6 days - £68.32 ex. VAT (up to 20kgs), Price doubles when over 20 kgs.|
|Croatia, Estonia, Finland, Hungary, Poland, Portugal, Slovenia & Sweden||Delivery 4-6 days - £29.36 ex. VAT (up to 20kgs), Price doubles when over 20 kgs.|
|Canary Islands: Gran Canaria, Tenerife, La Palma, Lanzarote, Fuerteventura, La Gomera, El Hierro.||Delivery 4-6 days - £82.20 ex.VAT (up to 5kgs), £118.49 ex.VAT (up to 10kgs), £192.15 ex.VAT (up to 20kgs),|
|Bulgaria, Greece, Latvia, Lithuania, Romania.||Delivery 4-9 days - £38.43 ex. VAT (up to 20kgs), Price doubles when over 20 kgs|
|Balearic Islands: Majorca, Minorca, Ibiza, Formentera, Cabrera.||Delivery 4-6 days - £32.03 ex. VAT (up to 20kgs), Price doubles when over 20 kgs.|
|Cyprus||Delivery 4-6 days - £79.00 ex.VAT (up to 5kgs), £117.43 ex.VAT (up to 10kgs), £194.29 ex.VAT (up to 20kgs).|
|United Arab Emirates, Bahrain, Qatar.||Delivery 4-9 days - £122.76 ex.VAT (up to 5kgs), £186.81 ex.VAT (up to 10kgs), £256.20 ex.VAT (up to 15kgs), £320.25 ex. VAT (up to 20kgs).|
|Turkey, Russia & Malta.||Please call us for a quote.|
|USA||Delivery Via UPS 4-5 Days - £75.00 ex.VAT (up to 20kgs), Price doubles when over 20kgs.|
|Worldwide Shipping||We can ship parts worldwide. If your country is not listed above then please contact us for a shipping quote.|
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