689.58 EURexcl. VAT · import VAT and duties on delivery
Key specifications
| Control Mode | mains, pwm, or 0-10 v |
|---|---|
| Includes potentiometer | yes |
| Speed control | potentiometer |
| Genuine part | yes |
| Extended service life | yes |
| Quick installation | yes |
| High reliability | yes |
595.50EUR
in stock · 1excl. VAT · import VAT and duties on delivery · shipping calculated at checkout
- Delivery to 97 countries
- Original manufacturer part
- Dispatch within 24 h for stocked items
Description
The ACV Fan RG148-1200-3633 (SKU 537D3037) is a genuine replacement fan for ACV gas boilers. It supplies combustion air and, in room-sealed appliances, drives flue gases out. The unit includes a potentiometer for speed control. It is compatible with ACV HeatMaster 85 TC, Compact Condens 45, Prestige 75, and Excellence models. This fan is designed for extended service life and quick installation.
Further details
| Air pressure switch monitoring | monitors that the fan is delivering sufficient flow before ignition begins and during operation |
|---|---|
| Application | fan used in a modulating premix boiler or burner |
| Common failure modes | worn bearings, imbalance from deposits on the impeller, a failed capacitor, or speed feedback errors |
| Compatible models | Heatmaster 85 TC Compact Condens 45 Prestige 75 Excellence |
| Efficiency | designed for efficient operation within acv heating systems |
| Function | supply combustion air and drive flue gases out |
| Reliability | ensures reliable combustion gas extraction and supports stable draft performance |
| Replacement considerations | verify that the electrical connections and control signal match the existing installation, and check the orientation of the outlet to ensure it aligns with the air intake or flue gas collector |
Choosing and fitting
Parts of this type are selected by required air flow and pressure, direction and orientation of the outlet, impeller diameter, supply voltage, and control mode (mains, PWM, or 0-10 V), as well as the flange pattern for mounting. When replacing, verify that the electrical connections and control signal match the existing installation, and check the orientation of the outlet to ensure it aligns with the air intake or flue gas collector.
Signs of failure
Common failure modes include worn bearings, imbalance from deposits on the impeller, a failed capacitor, or speed feedback errors that the boiler interprets as an airflow fault. When such failures occur, the boiler may fail to ignite, shut down during operation, or display an airflow-related error code. Check the fan for unusual noise, vibration, or visible damage, and test the capacitor and speed feedback signal.
Fits equipment
HeatMaster 85 TC Prestige 75 ExcellenceACV Compact Condens 45ACV Prestige 75ACV Excellence
All specifications
| Control Mode | mains, pwm, or 0-10 v |
|---|---|
| Includes potentiometer | yes |
| Speed control | potentiometer |
| Genuine part | yes |
| Extended service life | yes |
| Quick installation | yes |
| High reliability | yes |
Part numbers
| SKU | 537D3037 |
|---|---|
| Additional article | 129.145.002 |
| Model | RG148-1200-3633 |
Similar parts
606.00 EURexcl. VAT · import VAT and duties on delivery
141.60 EURexcl. VAT · import VAT and duties on delivery
83.52 EURexcl. VAT · import VAT and duties on delivery
94.05 EURexcl. VAT · import VAT and duties on delivery
—on request
—on request



































































