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EC Fan Monica Roof Extract Fan 150dia + PC Grey Friars – Fan Units – MON150EC – GRY FRIAR

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Professional HVAC Component: EC Fan Monica Roof Extract Fan 150dia + PC Grey Friars
You are viewing the EC Fan Monica Roof Extract Fan 150dia + PC Grey Friars (SKU: MON150EC – GRY FRIAR). A professional-grade component from the Fan Units series, engineered for New Zealand’s residential and commercial ventilation systems. Sourced directly from the Smooth Air supply chain for NZ Depot.
⚠️
Technical Verification Required
Ventilation components require precise sizing. Please verify that this MON150EC – GRY FRIAR model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.
Key Specs:
Category: Fan Units
Type: Monica Roof Extract Units
Product Specifications
The Monica EC roof-mounted fan combines a compact, low-profile design with the efficiency of EC motor technology. Mounted within the external cowl, the fan delivers reliable airflow with reduced internal noise and minimal impact on the roofline.
Application
Designed for roof-mounted exhaust ventilation in residential and commercial buildings. Suitable for kitchens, bathrooms, and other humid spaces where quiet operation and minimal roof penetration are required. Ideal for low-profile installations where visual impact must be kept to a minimum.
Features / Benefits
- Compact roof-mounted design with fan located in the external cowl for quieter operation
- High-efficiency EC motor for reduced energy consumption and precise airflow control
- Backward curved centrifugal impeller provides strong airflow against system resistance
- Operates with a 0-10 V DC control signal (controller not included), suitable for demand control and BMS integration
- Constructed from Aluminium 5005 with reinforced polypropylene terminal box (IP66, UV resistant)
- High-quality plastic impeller for durable, efficient operation
- Low-profile design projects approximately 200 mm above the roof surface
- Free airflow up to 325 L/s (model dependent)
- Power input range 105-170 W (model dependent)
- Noise levels from 56 dB(A) @ 3 m
- Simple installation by flashing through roof sheeting and securing with screws
- Accessible design allows removal and servicing with only one or two screws
- Suitable for ambient temperatures from -20 Degrees Celsius to +60 Degrees Celsius
- 24-month warranty and manufactured to international efficiency and acoustic standards
| MON150EC – GREY FRIAR | |
| Voltage (V) | 1~230 (200-264V) |
| Frequency (Hz) | 50/60 |
| Power (W) | 105 |
| Current (A) | 0.73 |
| Speed (rpm) | 3570 |
| Sound pressure level dB(A) @ 3m (Inlet Side) | 56 |
| Sound pressure level dB(A) @ 3m (Outlet Side) | 60 |
| Minimum Air Temperature (Degrees Celsius) | -20 |
| Maximum Air Temperature (Degrees Celsius) | +60 |
Products specifications
| Attribute name | Attribute value |
|---|---|
| Fan Specifications | |
| Installation Location | Roofing |
| Materials | Aluminium, Polypropylene, Plastic |
| Colour | Grey Friars |
| Finish | Powder Coated |
| Outer Diameter (mm) | 330 Ø |
| Spigot Diameter (mm) | 150 Ø |
| Height (mm) | 210 |
| Weight (kg) | 2.45 |
Why NZ DEPOT for HVAC?
🏭
Trade Pricing
We strip out the showroom markup. You pay for the Fan Units quality, not the retail overheads.
🚚
Site Delivery
Direct dispatch to your home or job site. We use specialized freight for bulky ducting and fragile components.
✅
NZ Standards
Genuine NZ market product. Fully compliant with local building and ventilation codes.
Technical Insight: Optimizing Ventilation Systems in NZ
Maximizing Airflow Efficiency
Whether you are installing a bathroom extractor, a range hood, or a full balanced pressure heat recovery system, the physics of airflow remains the same: air hates friction. Every component in your system, from the ducting to the joiners and grilles, introduces “Static Pressure” (resistance).
Using high-quality components like the EC Fan Monica Roof Extract Fan 150dia + PC Grey Friars is crucial for minimizing this resistance. Cheaper, poorly molded fittings or rough-bore ducting can create turbulence, which reduces the extraction rate of your fan. This means your fan has to work harder, creating more noise and using more electricity, while moving less damp air out of your home.
Pro Tip: When connecting ducting, always stretch flexible ducting taut. A saggy duct creates immense resistance. Use rigid joiners and bends where possible to maintain a smooth internal profile for the air to glide over.
Building Code G4 & Healthy Homes Standards
In New Zealand, ventilation isn’t just about comfort; it’s a compliance issue. Under Building Code Clause G4, spaces where people live must have adequate ventilation to prevent mold and moisture buildup. The Healthy Homes Standards further enforce this for rental properties, requiring specific extraction capacities for kitchens and bathrooms.
Ensuring you use the correct diameter components (like 150mm for kitchens) is vital. Using a restrictive component in a 150mm system effectively chokes it down, potentially causing it to fail a flow test. Smooth Air products are designed to meet AS/NZS 4254 standards, giving you peace of mind that your installation is up to code.
Material Selection: PVC vs. Galvanized Steel
Choosing between plastic (PVC) and metal components depends on the application.
- PVC (Plastic): Ideal for residential use, especially in bathroom and laundry extracts. It is lightweight, immune to corrosion (rust), and has a very smooth internal surface for excellent airflow. It helps reduce vibration noise transfer.
- Galvanized Steel: The standard for commercial HVAC and high-temperature applications. It offers superior structural rigidity and fire resistance. If your system passes through fire-rated walls, steel components (often combined with fire dampers) are non-negotiable.
This specific item, the EC Fan Monica Roof Extract Fan 150dia + PC Grey Friars, utilizes materials selected for durability and performance in its intended class.
Logistics & Warranty
Secure Shipping: We utilize a “Direct-to-Site” 3PL model. Your order for the MON150EC – GRY FRIAR is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This reduces road miles and handling, ensuring your parts arrive in pristine condition.
NZ Warranty: As a 100% NZ-owned business, all purchases are covered by the Consumer Guarantees Act. Whether you are a trade professional or a DIY homeowner, you are protected against manufacturing defects.
© 2026 NZ DEPOT Limited. All Rights Reserved. | 100% NZ Owned & Operated.
Professional HVAC Supply: EC Fan Monica Roof Extract Fan 150dia + PC Grey Friars
You are viewing the EC Fan Monica Roof Extract Fan 150dia + PC Grey Friars (SKU: MON150EC – GRY FRIAR). A critical component within our Fan Units range, designed specifically for New Zealand’s residential and commercial ventilation requirements. Sourced directly from the Smooth Air supply chain for NZ Depot.
⚠️
Important: Measurement Verification
HVAC components require precise sizing. Please confirm this MON150EC – GRY FRIAR model matches your engineer’s specifications before ordering.
Dimensions: Length: mm | Width: 330mm | Height: 330mm.
Technical Specifications & Features
The Monica EC roof-mounted fan combines a compact, low-profile design with the efficiency of EC motor technology. Mounted within the external cowl, the fan delivers reliable airflow with reduced internal noise and minimal impact on the roofline.
Application
Designed for roof-mounted exhaust ventilation in residential and commercial buildings. Suitable for kitchens, bathrooms, and other humid spaces where quiet operation and minimal roof penetration are required. Ideal for low-profile installations where visual impact must be kept to a minimum.
Features / Benefits
- Compact roof-mounted design with fan located in the external cowl for quieter operation
- High-efficiency EC motor for reduced energy consumption and precise airflow control
- Backward curved centrifugal impeller provides strong airflow against system resistance
- Operates with a 0-10 V DC control signal (controller not included), suitable for demand control and BMS integration
- Constructed from Aluminium 5005 with reinforced polypropylene terminal box (IP66, UV resistant)
- High-quality plastic impeller for durable, efficient operation
- Low-profile design projects approximately 200 mm above the roof surface
- Free airflow up to 325 L/s (model dependent)
- Power input range 105-170 W (model dependent)
- Noise levels from 56 dB(A) @ 3 m
- Simple installation by flashing through roof sheeting and securing with screws
- Accessible design allows removal and servicing with only one or two screws
- Suitable for ambient temperatures from -20 Degrees Celsius to +60 Degrees Celsius
- 24-month warranty and manufactured to international efficiency and acoustic standards
| MON150EC – GREY FRIAR | |
| Voltage (V) | 1~230 (200-264V) |
| Frequency (Hz) | 50/60 |
| Power (W) | 105 |
| Current (A) | 0.73 |
| Speed (rpm) | 3570 |
| Sound pressure level dB(A) @ 3m (Inlet Side) | 56 |
| Sound pressure level dB(A) @ 3m (Outlet Side) | 60 |
| Minimum Air Temperature (Degrees Celsius) | -20 |
| Maximum Air Temperature (Degrees Celsius) | +60 |
Products specifications
| Attribute name | Attribute value |
|---|---|
| Fan Specifications | |
| Installation Location | Roofing |
| Materials | Aluminium, Polypropylene, Plastic |
| Colour | Grey Friars |
| Finish | Powder Coated |
| Outer Diameter (mm) | 330 Ø |
| Spigot Diameter (mm) | 150 Ø |
| Height (mm) | 210 |
| Weight (kg) | 2.45 |
About the Monica Roof Extract Units Series
The Monica roof fan/cowl system offers a compact, low-profile ventilation solution that?s easy to install and service. Now available in 150 mm and 200 mm EC motor versions, delivering quieter operation, improved efficiency, and excellent performance over long duct runs.
The Monica range is a compact and effective fan and cowl system designed for simple installation and reliable performance. With no need for time-consuming upstands, the units mount directly through roof sheeting and are sealed with Aquaseal flashing. Available in a variety of tube lengths, Monica fans provide a discreet, low-profile solution for both residential and commercial ventilation.
The range now includes the Monica 150 mm and 200 mm EC fan versions, which feature energy-saving EC motors for even greater efficiency and control.
Key Features & Benefits
Compact Design – Low-profile unit sits just 20 cm above the roof surface for an unobtrusive finish.
Easy Installation – Simply cut the roof opening, flash with Aquaseal, and secure the Monica unit with one or two screws.
Flexible Options – Other tube lengths available on request (POA) to suit project requirements.
Low Noise Levels – Fan is mounted in the external cowl, keeping sound away from the occupied roof space.
High Performance – Maintains airflow even against resistance, outperforming many similar fans.
Excellent for Long Duct Runs – Delivers reliable ventilation over extended ducting distances.
Accessible & Serviceable – Fan can be removed for repair or replacement quickly with just one or two screws.
Energy-Efficient EC Motor Versions (150 mm & 200 mm) – Added benefits of lower running costs, greater speed control, and reduced power consumption.
Speed Control Compatibility – Use with SC3 speed switch to achieve 3-speed operation on MON150L and MON200M models.
Understanding NZ HVAC Compliance
When selecting ventilation equipment for New Zealand homes and businesses, compliance with AS/NZS 4254 and UL 181 standards is non-negotiable. The EC Fan Monica Roof Extract Fan 150dia + PC Grey Friars is engineered to meet these rigorous safety and performance benchmarks.
Why R-Value Matters
For insulated ducting components, the R-Value (Thermal Resistance) is critical. A higher R-Value ensures that the air travelling through your system maintains its temperature—whether hot or cold—from the unit to the outlet. This reduces energy load on your heat pump or AC unit, lowering electricity bills and increasing system longevity. This product offers an R-Value of (if applicable), ensuring thermal efficiency.
Fire Safety & Materials
Safety is paramount in ceiling spaces and wall cavities. Smooth Air components utilize fire-resistant materials, often featuring a metallized Mylar outer jacket and encapsulated steel wire cores. This construction not only prevents fire spread but also maintains the structural integrity of the ducting under high pressure.
Why NZ DEPOT for HVAC?
🏭
Trade Pricing
We strip out the showroom markup. You pay for the Fan Units quality, not the retail overheads.
🚚
Site Delivery
Direct dispatch to your home or job site. We use specialized freight for bulky ducting and fragile components.
✅
NZ Standards
Genuine NZ market product. Fully compliant with local building and ventilation codes.
🌱 Sustainable Supply Chain Initiative
At NZ DEPOT, we are modernizing the New Zealand trade supply chain. Traditional retail involves shipping products from a manufacturer to a central warehouse, then to a retail showroom, and finally to the customer. This “multi-hop” model adds unnecessary carbon emissions and cost.
By utilizing a Direct-to-Site 3PL model, we eliminate the “Showroom Hop.” Your order for the MON150EC – GRY FRIAR is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This logistical efficiency reduces road miles, lowers our carbon footprint, and allows us to pass significant savings on to you.
🛡️ Warranty & Consumer Protection
Consumer Guarantees Act (CGA)
We are a 100% New Zealand-owned and operated entity. All purchases made through NZ Depot are fully covered by the Consumer Guarantees Act 1993. Whether you are buying for personal use or commercial fit-out, you are protected against manufacturing defects and faults.
Secure Transaction Promise
Your security is paramount. We utilize industry-standard SSL encryption for all data transmission. We do not store credit card details locally; all payments are processed via secure, PCI-compliant gateways.
© 2026 NZ DEPOT Limited. All Rights Reserved. | 100% NZ Owned & Operated.
Additional information
| Weight | 2.45 kg |
|---|---|
| Dimensions | 330 × 330 mm |
| MPN | |
| Material | |
| Colour | |
| Finish |
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