Diaphragm Block for Hi-Blow 40 (2pcs)
Diaphragm Block for Hi-Blow 40 (2pcs) is a replacement diaphragm set designed to restore proper airflow and maintain consistent performance in Hi-Blow 40 air pumps.
£69.95
In stock
Product Description
If your Hi-Blow 40 has lost output or become noisier than usual, worn diaphragms are often the cause. The Diaphragm Block for Hi-Blow 40 (2pcs) allows you to service your pump and bring airflow back to expected levels.
Why replace the diaphragm block?
- Restores consistent airflow
- Maintains stable oxygen delivery
- Reduces strain on the motor
- Designed specifically for Hi-Blow 40 air pumps
Diaphragms are wear components and naturally degrade over time with continuous use.
When to replace
- Noticeable drop in air output
- Increased vibration or operating noise
- As part of routine preventative maintenance
Maintaining strong aeration supports biological filtration and overall pond stability.
Installation notes
- Always unplug the air pump before servicing
- Follow manufacturer guidance when fitting the new diaphragm blocks
- Check airlines and diffusers for blockages before restarting
Routine servicing keeps your aeration system reliable and your pond oxygen levels steady.
Delivery Details
Delivery Charges
We offer two simple delivery options:
- Free shipping on all orders over £75
- Flat rate of £3.95 for lighter parcels on orders under £75
- Flat rate of £5.50 for heavier parcels on orders under £75
All deliveries are sent via Royal Mail, ensuring reliable and trackable service.
Delivery Times
Orders are usually dispatched within 1–2 working days. Once shipped, Royal Mail typically delivers within 2–4 working days. Please note that during peak times or in the event of postal delays, delivery may take slightly longer.
Delivery Locations
We currently ship to UK addresses only, including mainland UK and Northern Ireland.
Questions?
We’re here to help. If you have any questions about your delivery, email us at mskoiltd@outlook.com and our customer service team will be happy to assist.
Free delivery on orders over £75
Enjoy free standard delivery when you spend £75 or more.
Easy
Returns
Hassle-free returns if something is not quite right.
Same Day Dispatch
Orders placed before 2pm are dispatched the same day.
Dedicated Support
Friendly support whenever you need help or advice.
