{"catalog_name":"World Products","variant":"c","item":{"handle":"merlin-eco-extract-fan-dmev-100-mm-4","title":"Merlin Eco Extract Fan dMEV – 100 mm (4″)","category":"Anti Condensation","category_name":null,"category_gid":null,"product_type":"Anti Condensation","vendor":"DIY Refurb","price":"$133.66","currency_code":"USD","availability":"in_stock","inventory_quantity":0,"sku":"30806689","barcode":null,"variant_title":"Default Title","selected_options":{"Title":"Default Title"},"description":"Silent Energy‑Saving dMEV Axial Fan with Humidity Boost The Merlin Eco Extract Fan is a low-energy, near-silent 100 mm decentralised Mechanical Extract Ventilation (dMEV) fan designed for wall, ceiling, or window installations in bathrooms and kitchens. Featuring a durable ball-bearing DC motor, it provides continuous trickle (6–9 L/s) airflow and boosts automatically to 15 L/s when humidity rises. Certified SAP Q‑eligible with specific fan power as low as 0.18 W/L/s, it operates as quietly as 10.8 dB(A) on trickle mode and is available in standard 230 V or SELV/IPX7 variants suitable for Zones 1 and 2. Key Features & Benefits Near‑silent operation: Down to 10.8 dB(A) on trickle, under 20 dB(A) on boost. Energy‑efficient DC motor: Low consumption, long-lasting ball-bearing design. Automatic humidity boost: Self-boosts when humidity increases; then returns to trickle. Boost airflow: Up to 15 L/s, with trickle at 6–9 L/s. High efficiency: SAP Q-enabling specific fan power as low as 0.18 W/L/s. Class-leading durability: SELV/IPX7 version available for bathroom Zones 1 & 2. Product Details Size: 100 mm (4″) duct diameter Installation: Wall, ceiling, or window (window kit required) Voltage: 230 V or SELV low-voltage option Motor: Ball-bearing DC Noise Levels: 10.8 dB(A) trickle, <20 dB(A) Airflow: 6–9 L/s trickle, 15 L/s boost SAP Compliance: Q-eligible; Specific Fan Power ~0.18 W/L/s Protection: IPX4 (standard) or IPX7 (SELV) Typical Uses Continuous humidity control in bathrooms, kitchens, WCs, utility rooms Ideal for new-build or retrofit social housing to meet SAP & Building Regs Quiet extraction suited for residential applications with minimal disturbance","image_url":null,"href":"/product/merlin-eco-extract-fan-dmev-100-mm-4.html","buy_url":"https://xyjpsn-3p.myshopify.com/products/merlin-eco-extract-fan-dmev-100-mm-4","buy_url_source":"shops.shop_domain + product.handle","seller_name":"xyjpsn-3p.myshopify.com","seller_url":"https://xyjpsn-3p.myshopify.com/","return_policy_url":"https://xyjpsn-3p.myshopify.com/policies/refund-policy","media":[],"related":[{"handle":"lo-carbon-positive-input-ventilation-unit-with-heater-piv-wall","title":"Lo-Carbon Positive Input Ventilation Unit with Heater (PIV WALL)","category":"Anti Condensation","price":"$376.92","image_url":"https://cdn.shopify.com/s/files/1/1076/9324/4755/files/PIVWall_28ba3bfc-28a4-4ab7-9c9b-d58431a1d0be.png?v=1789393521","sku":"BIO-PIVW","href":"/product/lo-carbon-positive-input-ventilation-unit-with-heater-piv-wall.html"},{"handle":"anti-mould-kit","title":"Anti-Mould Kit","category":"Anti Condensation","price":"$34.56","image_url":"https://cdn.shopify.com/s/files/1/1076/9324/4755/files/Anti-Mould-Kit-Pic.jpg?v=1789393497","sku":"390M","href":"/product/anti-mould-kit.html"},{"handle":"sovereign-auto-concure-20-20-piv-system-for-whole-house-condensation-control","title":"Sovereign Auto Concure 20/20 (PIV) System for Whole-House Condensation Control","category":"Anti Condensation","price":"$619.92","image_url":"https://cdn.shopify.com/s/files/1/1076/9324/4755/files/Concure_2020_58c5b9c0-f11a-4139-a1b8-205a93c44927.jpg?v=1789393473","sku":"30807021","href":"/product/sovereign-auto-concure-20-20-piv-system-for-whole-house-condensation-control.html"},{"handle":"kingfisher-thermapaint-anti-mould-paint-anti-condensation-paint-with-built-in-mould-resistance","title":"Kingfisher Thermapaint Anti-Mould Paint - Anti-Condensation Paint with Built-In Mould Resistance","category":"Anti Condensation","price":"$46.44","image_url":null,"sku":"5TAMW","href":"/product/kingfisher-thermapaint-anti-mould-paint-anti-condensation-paint-with-built-in-mould-resistance.html"}]}}