The PH25AG-A is a complete 2 kW gasoline air heater kit for vans, RVs, boats, and on- and off-highway equipment. It runs on your vehicle's gasoline and 12V battery, giving you safe, reliable cabin heat without idling the engine or plugging in. Rated for continuous operation up to 5,000 m (16,404 ft) above sea level.
Control it from your phone. The kit includes a digital operating switch with Bluetooth, so you can run the heater from the switch or from your iPhone or Android phone.
What's in the Box
Everything you need for a standard install:
- PH25AG 2 kW 12V gasoline air heater
- Digital operating switch with Bluetooth (P65D-X389)
- Wiring harness
- Fuel metering pump
- Mini Fuel pickup pipe
- Fuel system kit: fuel lines, fuel filter, fuel pump holder, clamps and connectors
- 22 mm flexible exhaust pipe
- 22 mm combustion air intake hose
- 60 mm hot air ducting hose
- 60 mm adjustable air outlet vent and return air inlet
- 60 mm duct clamps (x4)
- Heater mounting plate and seal
- Mounting hardware kit: brackets, bolts, nuts, washers and clamps
- Technical manual
Good to Know
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Gasoline only. For diesel vehicles, see the PH21A 2 kW diesel kit or the PH41A 4 kW diesel kit.
- 12V only.
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Fuel connection: the included mini pickup pipe installs through a 5/16" (8 mm) hole in the fuel sender plate. If your tank needs more reach, add the Long Mini Fuel Pickup (19").
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Professional installation recommended. Gasoline fuel systems are sealed and electronically monitored, so installation should be done by a technician familiar with your vehicle's fuel system. Some vehicles require dropping the tank to access the fuel sender.
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Need more heat? See the PH55AG 5 kW gasoline kit.
Specifications
| Heating Mode (Variable) |
High |
Low |
| Heating Capacity kW (BTU/hr) |
2.0 (6,824) |
1.0 (3,412) |
| Fuel Consumption L/hr (US gal/hr) |
0.27 (0.07) |
0.14 (0.04) |
| Air Flow m³/min (CFM) |
1.19 (42) |
0.47 (16) |
| Power Consumption (W) |
29 |
14 |
| Start-up Power (W) |
≤ 100 |
| Fuel Type |
Gasoline |
| Nominal Voltage |
12V (operating range 10–15V) |
| Operating Altitude |
0 to 5,000 m (16,404 ft) |
| Ambient Temperature |
-40°C to 50°C (-40°F to 122°F) |
| Overheat Protection |
115°C (239°F) |
| Heater Weight |
2.6 kg (5.7 lb) |
| Heater Dimensions (L × W × H) |
323 × 120 × 121 mm (12.7 × 4.7 × 4.7 in) |
Frequently Asked Questions
Is the fuel tank pickup pipe included?
Yes. The kit includes a short mini fuel pickup. A 19" long pickup is available separately if your tank needs more reach.
Can I control the heater from my phone?
Yes. The included digital switch has Bluetooth and pairs with iPhone and Android.
Will it work on a diesel vehicle or a 24V system?
No. The PH25AG-A is for 12V gasoline systems only. For diesel, see the PH21A 2 kW diesel kit.
Can I install it myself?
We recommend professional installation because gasoline fuel systems are sealed and monitored. The full install procedure is in the manual below.
Is this a complete kit?
Yes. Everything needed for a standard install is in the box. See "What's in the Box" above.
Resources
Current kits (2025 and later):
Older kits (before 2025):
