Caleffi 1/2" Auto Filling Unit
Caleffi 1/2" Auto Filling Unit is backordered and will ship as soon as it is back in stock.
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Shipping & Dispatch
Shipping & Dispatch
Dispatch Time: We typically dispatch orders within 1 working day if all items are in stock.
Weekend Orders: Orders placed on Saturday or Sunday will be dispatched on the following Monday. If Monday is a Bank Holiday, we'll dispatch on Tuesday.
Delivery Time for Ireland: Once dispatched, deliveries within Ireland typically take 2 to 5 working days.
Same-day Dispatch: Orders placed before 9.30 AM are usually dispatched the same day, thanks to our pick-up time with Fastway.
| Destination | Fee |
| Republic of Ireland & Northern Ireland (orders over €100) | Free |
| Republic of Ireland & Northern Ireland (orders under €100) | €7.99 |
| Mainland UK | Please contact us for pricing. |
| Rest of Europe | Please contact us for information. |
| For prices to other countries please contact us | info@thornhillbrothers.ie |
Note: Orders are subject to a max weight of 30kg. Also, for now, we do not send parcels to P.O Box or Parcel Motel addresses.
Local Delivery
We offer FREE local delivery in county Cork, within 100km of either of our stores, for select products on our site. Local delivery orders are delivered within 2-3 business days. You can check local delivery eligibility of products on their product pages.
Dispatch & Delivery
Dispatch Time: We typically dispatch orders within 1 working day if all items are in stock.
Weekend Orders: Orders placed on Saturday or Sunday will be dispatched on the following Monday. If Monday is a Bank Holiday, we'll dispatch on Tuesday.
Delivery Time for Ireland: Once dispatched, deliveries within Ireland typically take 2 to 5 working days.
Same-day Dispatch: Orders placed before 9.30 AM are usually dispatched the same day, thanks to our pick-up time with Fastway.
Local Delivery: Typically delivered in 2-3 business days. Only available for county Cork orders.
Caleffi 1/2" Auto Filling Unit
Keeps your heating system at a constant pressure by automatically topping up water when needed, so your system keeps running smoothly.
- Automatic top-up maintains constant system pressure
- Adjustable from 0.3 to 4 bar
- Maximum inlet pressure 16 bar
- All-in-one: pressure reducing valve, inlet strainer, shut-off valve and check valve
- 1/2" connection
- Dimensions: 52mm H x 154mm L x 100mm W
Frequently Asked Questions
What does an auto filling unit do?
It automatically refills your heating system with water to keep the pressure steady.
What pressure can I set it to?
Anywhere from 0.3 to 4 bar.
Does it have a strainer?
Yes, it has an integrated inlet strainer.
We recommend installation by a qualified plumber. Available in store at Skibbereen & Bantry. We deliver to Cork City and West Cork.
