# DANFOSS AL073S floor heating seal kit for return manifold pipe connections

**URL:** https://aio.lv/en/product--danfoss-al073s--11835821
**Data updated:** 2026-03-09 14:49 (EET)
**Category:** Underfloor Heating
**Manufacturer:** DANFOSS
**Manufacturer code:** AL073S
**EAN:** 8016603218553
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

DANFOSS AL073S seal kit designed for floor heating systems to seal return manifold pipe connections. The kit contains components to ensure leak-free joints on the return side of underfloor heating manifolds, compatible with standard manifold fittings. Intended for installation and maintenance of hydronic underfloor heating to secure reliable operation and prevent water leaks.

## Long description

The DANFOSS AL073S floor heating seal kit is designed to provide reliable sealing for return manifold pipe connections in hydronic underfloor heating systems. The kit includes the necessary sealing components to create leak-free joints on the return side of standard underfloor heating manifolds, helping to maintain system efficiency and prevent water damage. It is intended for use during installation or maintenance when securing fittings on return manifolds.
Advantages
The seal kit offers durable sealing components engineered to match common manifold connection dimensions and working temperatures found in residential and light commercial underfloor heating. By focusing on leak prevention for return manifold connections, the kit simplifies maintenance tasks and reduces the risk of system downtime. Components are supplied to enable straightforward assembly with typical plumbing tools used in hydronic installations.
Suitable for
 Sealing return-side connections on underfloor heating manifolds
 Installation and commissioning of hydronic floor heating systems
 Routine maintenance and leak repair on manifold return fittings
 Replacement of worn or damaged seals in residential and light commercial systems
Key specifications
 Application: return manifold pipe connections in underfloor heating systems
 Compatibility: designed to fit standard manifold fittings used in hydronic floor heating
 Function: mechanical sealing to prevent water leaks at connections
 Materials: sealing elements and components suitable for hot water heating circuits
 Use environment: suitable for residential and light commercial hydronic installations
How to use
Shut down and depressurize the heating circuit before beginning work. Remove the existing connection nut and inspect mating surfaces for damage or contamination. Replace old sealing elements with the components from the kit, ensuring correct orientation and seating. Reassemble the connection and tighten to the manufacturer-recommended torque for the manifold fitting. Repressurize the circuit and inspect the joint for leaks, correcting torque or seating as needed.
Usage recommendations
Use the kit components with compatible manifold fittings and follow standard plumbing safety procedures. Replace seals during routine maintenance or if any sign of leakage or wear is detected. If uncertain about compatibility or tightening specifications, consult the manifold documentation or a qualified installer to ensure correct installation and long-term reliability.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All DANFOSS products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized DANFOSS service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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