Pepper Pot Flue Terminal 185mm (Buff) | Clay Chimney Vent

Pepper Pot Flue Terminal — 185mm Buff (Clay Chimney Vent) This clay chimney terminal is designed to ventilate redundant flues so the stack can breathe. A gentle airflow helps reduce moisture, smells and condensation in disused chimneys. The 185 mm nominal size suits common 7"–7.5" set-ups—please check your pot and flue dimensions before ordering. Helpful resources: Pepper Pots (category) · Chimney Cowls UK Blog · Chimney Cowls at Hot Box Stoves · Pepper Pot Inserts (The Reclaimed Company) Why choose this clay pepper pot chimney terminal Purpose: Vent a redundant flue to keep the stack breathing—vent, don’t seal. Material: Vitrified clay with a durable, heritage-friendly buff tone. Fitment: Bed and point to an existing chimney pot using suitable external-grade mortar. Not for live flues: Select an appliance-specific cowl for fires, stoves, gas or oil. Delivery: Fast UK-wide courier service with secure checkout. Need rain/bird protection for an active flue? Compare chimney cowls at Hot Box Stoves. For airflow management on these terminals, see pepper pot inserts. Tech specs — pepper pot flue terminal (185 mm Buff) Product type Clay chimney terminal (pepper pot profile) Nominal size 185 mm (confirm pot throat / flue size) Colour Buff Material Vitrified clay Application Ventilation of redundant chimneys (not live) Fixing Mortar bed & neatly point to existing chimney pot Pair with an insert if you need to fine-tune openings while maintaining ventilation. When to use this terminal (and when not to) Use: On a disused flue to maintain bottom-to-top airflow and minimise damp in the stack. Avoid: On active appliances. Match a cowl to the fuel/appliance type. Read more on our blog and see: Chimney Caps vs Chimney Cowls. Related & helpful Shop all Pepper Pots Vent, Don’t Seal — Redundant Flue Guidance Ultimate Guide to Chimney Cowls Chimney Pots Bird Guard Cowls External: Chimney Cowls at Hot Box Stoves External: Pepper Pot Inserts (The Reclaimed Company) Installation & compliance — pepper pot flue terminal Installation steps Confirm the flue is redundant. Live flues require a fuel/appliance-specific cowl. Check the stack is sound and the pot is secure; prepare a clean, level bed. Bed the terminal on suitable external-grade mortar; align and point neatly. Provide through-ventilation at the base (air brick or vent plate) so the flue can breathe. Re-check after high winds and during routine roof maintenance. Compliance notes For redundant stacks, aim for controlled ventilation rather than a sealed termination. For general guidance on chimneys, flues and ventilation, see UK Approved Document J. Conservation areas may require profiles sympathetic to local character. FAQs Is 185 mm the size of the pot or the flue? Use the 185 mm model where your chimney pot/flue arrangement corresponds to this nominal size. If unsure, measure the pot throat and existing flue or check with your sweep/installer. Explore other sizes in the Pepper Pots category. Can I use this on a working fire or stove? No. This profile is for disused flues. For live appliances, choose a cowl specified for the fuel and chimney system — compare options at Hot Box Stoves. Will it keep all rain out? It reduces direct rain entry while allowing airflow. Some incidental moisture is normal and helps the stack ventilate. For live flues needing rain/bird protection, see bird/rain cowls. More from us: Pepper Pots · Blog · Hot Box Stoves — Cowls · Inserts Buy the 185 mm buff clay terminal Add to basket Price shown is ex VAT. Fast UK delivery.