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🚚 Delivery Price Calculator
Approximate price estimate · Prices include VAT
1. Select delivery country
2. Select item type
Estimated delivery price
—
⚠ Informational estimate only. Actual price may vary depending on item weight, dimensions and courier conditions. The seller reserves the right to issue an additional invoice. Contact us for exact pricing: +371 29287710 · [email protected]
📞 For exact pricing call: +371 29287710 or email [email protected]
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Pump connection nuts i-i 1'x1 1/2 cast iron, pair

Cast iron unions 1½"–1" for circulation pump
Cast iron unions 1½"–1" are designed for connecting circulation pumps in heating, water circulation and technical water systems. They provide a secure and convenient connection between the pump and the pipework, making installation, removal and maintenance easier.
The unions are suitable for circulation pumps with a standard 1½" pump connection, where the pipe connection side is 1". The cast iron construction provides mechanical strength and makes the set suitable for heating system applications.
Technical specification
| Parameter | Value |
|---|---|
| Product type | Union set for circulation pump |
| Material | Cast iron |
| Pump-side connection | 1½" |
| Pipe-side connection | 1" |
| Application | Installation of circulation pumps |
| Suitable for | Heating and water circulation systems |
| Connection type | Threaded connection |
| Set includes | 2 unions |
| Installation | Between circulation pump and pipework |
| Working medium | Water / heating system fluid |
| Colour | Dark / cast iron |