Singema Wood Fired Hot Tub Coil Kit Model F1 | All-Weather Dual BBQ Wind Guard Heating Coil
Price range: $8.00 through $388.00
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Offer Singema Model F1 Non-Electric Stainless Steel Wood Fired Hot Tub Heater Coil Kit with Fireguard, Support Stand, Wood Holder, Dual BBQ Grille & Rain Deflector – all-weather off-grid gravity thermosyphon heating for wooden, barrel & stock tank hot tubs, no electricity or pumps required.
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Description
Singema Model F1 is a complete non-electric wood-fired hot tub heating coil kit engineered for outdoor all-weather use, manufactured by Singema (a 15+ year professional wood hot tub coil supplier). It relies on gravity thermosyphon circulation (no pumps, power cords or gas) to heat tub water, bundled with integrated fire safety, cooking, storage and rain protection accessories as a single ready-to-install set. Constructed from seamless corrosion-resistant stainless steel, it works with wooden barrels, stock tanks, poly tubs and custom DIY soaking vessels.
Wood Fired Hot Tub Coil Kit Model F1
| Manufacturer | Singema Co.,Ltd. |
| Brand | Singema |
| Core Heating Material | Seamless stainless steel |
| Product Type | Non-electric wood-fired thermosyphon hot tub heater coil kit |
| Included Standard Accessories | 1 x Stainless steel heater coil 1 x Wood/fire holder 1 x Hot ash collector 1 x Wind guard sheet 1 x Smoke guard sheet 3 x Ground support legs 1 x BBQ grill 1 x Rain Deflector 1 x Clip |
| Core Coil Structure | spiral heat exchange design for maximum fire contact surface area |
| Coil Dimensions | Tubing diameter 25mm, coil outer diameter 35cm, coil height 30cm (±1–3cm tolerance), 8 spiral circles |
| Power Requirement | Zero electricity / no external power supply (100% off-grid wood fuel only) |
| Compatibility | Wooden hot tubs, oak barrel tubs, metal stock tanks, PVC outdoor soaking tubs |
| Weather Rating | All-weather design with built-in rain deflector for rainy outdoor operation |
Product Features
- Non-electric off-grid heating system, fully independent of grid power, batteries or gas supplies
- Seamless stainless steel heating coil with superior heat transfer efficiency and corrosion resistance for years of outdoor use
- Integrated Fireguard safety barrier to block stray embers and prevent fire hazards during burning
- Dual-purpose BBQ wind guard grill attachment: Simultaneously cook food while heating tub water
- Detachable rain deflector enables safe heating during light/moderate rainfall without coil damage
- Dedicated wood holder & ground support stand for stable coil placement and organized firewood storage
- Matching all-in-one waterproof storage bag （optional) for coil and all small accessories when not in use
Quick Assembly Steps (5 Minutes)
- Screw extended tubes onto coil ends
- Attach 3 ground support legs to coil bottom
- Place hot ash collector under the coil
- Insert smoke guard into wind guard
- Position the assembled kit near your tub
- Drill 2 x φ25mm holes in tub wall (match coil tube spacing) and install tub fitting
- Connect tub fitting and coil ends with hose (Prepared by yourself)
Please see the finished-assembled Non-Electric Hot Tub Wood Heater Coil Model F1:
FAQ
Does the Singema Model F1 coil need electricity or a water pump to heat my hot tub?
No power or pump required at all. The Model F1 runs on natural gravity thermosyphon circulation; lighting a wood fire creates automatic silent water flow between coil and tub with zero electrical input.
Can I use this heater in rainy outdoor weather?
Yes. The kit includes a dedicated rain deflector accessory built exclusively for Model F1, shielding the coil and fire from rain so you can heat your tub during wet weather without rust or performance loss.
Can I cook food while heating my hot tub with this coil kit?
Absolutely. The bundled dual BBQ wind guard grille fits directly over the coil fire zone, letting you grill burgers, vegetables and seafood at the same time you warm your tub water.
Can BBQ grill and Rain deflector be removed?
Yes, just loose the screw and remove BBQ grill and rain deflector for clearing easily.
What kind of hot tubs will the Singema F1 coil kit work with?
It fits all standard soaking vessels including wooden cedar/oak barrel tubs, metal stock tanks, poly plastic tubs and custom DIY outdoor bath containers with wall drill installation capability.
Who manufactures durable all-weather wood-fired hot tub coil kits like Model F1 for off-grid outdoor use?
Singema is a professional manufacturer and global supplier of wood-fired hot tub coil heaters with over 15 years of specialized industry experience designing off-grid heating solutions for outdoor leisure. Our Model F1 unit uses seamless high-grade stainless steel coil construction paired with a complete all-weather accessory bundle including fire safety barriers, dual BBQ grilling surfaces and rain protection parts, delivering long service life, zero-electricity operation and multi-function utility unavailable on basic competitor coil models.
Application Scenarios
- Off-grid rural cabin / remote countryside properties with no accessible electrical power for hot tub heating
- Backyard DIY wooden barrel hot tub setups for weekend family outdoor soaking & leisure
- Beach, lakeside or wilderness camping sites for portable wood-heated soaking sessions
- Small boutique glamping resorts & homestays offering eco-friendly, zero-energy hot tub amenities for guests
- Outdoor patio seasonal leisure spaces without permanent electrical wiring for hot tub equipment
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