Isotherm Water Heater - SLIMSQ16SS Wtrhtr 4.3G750W115V | 601623QX00003
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Water Heater
SLIMSQ16SS Wtrhtr 4.3G750W115V
The Isotemp Slim Square s/s heater comes with an innovative internal design. It achieves highest capacity by optimized installation of the engine water heat exchanger as well as the immersion heater.
- 115V/750W with mixing valve
- Brushed stainless steel cover and 316-grade stainless steel inner tank
- Extra-long, corrugated coils for high heat exchange efficiency
- Electrical plug and play immersion heating element, especially designed to heat also the water at the bottom of the tank
- Ultra-thick insulation for lowest temperature loss
- Comes standard with a special 5.0 bar/70 psi safety valve
- Thermostat mixing valve protects against scalding and delivers consistent temperatures at the faucet
- Standard 750W immersion heating element quickly heats water, but will not overload generators or dock breakers
- Adjustable mounting for easy installation on deck or bulkhead
- 5 year limited warranty
- Dimensions:W: 7.25" x H: 16.75" x D: 23.25"
- 35 lbs
- 4.2 gallon capacity
- Brand: Isotherm
- Manufacturer part #: 601623QX00003
- Sold as: EA
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.