Heater Craft 4 Vent Heater - Commercl Cabn Htr 4X3"VENT 24V | 340COM24
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
24 V Commercial Cabin Heater
The Heater Craft 340COM24 is a four-vent hydronic cabin heater for a 24 V installation. It transfers heat from a compatible hot-water or engine-coolant circuit into ducted cabin air.
Key Features
- 24 V blower configuration.
- Four 3-inch cabin-air outlets.
- 40,000 BTU/h maximum estimated heat output.
- 5/8-inch heater-hose connections.
View Heater Craft commercial-heater information
Installation Notes
Confirm the coolant connection arrangement, 24 V electrical supply and duct routing before installation. Work only on a cooled, depressurized coolant circuit. Route hoses clear of sharp edges and moving parts, then check circulation and leaks during commissioning.
View Heater Craft marine-heater installation manual
Parts Desk Insight
Cabin heat depends on coolant temperature and circulation. Weak heat at idle can be a flow issue, so check the heating circuit before replacing the heater.
- Brand: Heater Craft
- Manufacturer part #: 340COM24
- 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.