Reducer 3/4'' to 2 outlets 3/8'' grooved - 21038 + 21033
Reference CMP: 21038 + 21033
Reduction: 3/4'' (21mm) to 2 outlets 3/8'' (11mm) male grooved

Worldwide delivery
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100% compatible parts
![2-year warranty (1 year for professionals)]()
2-year warranty (1 year for professionals)
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Reference CMP: 21038 + 21033
Reduction: 3/4'' (21mm) to 2 outlets 3/8'' (11mm) male grooved
Worldwide delivery
100% compatible parts
2-year warranty (1 year for professionals)
| CMP Reference | 21038 + 21033 |
| Type | Reducer sleeve for manifold connection |
| Inlet | 3/4'' - 21 mm |
| Outlets | 2 outlets 3/8'' - 11 mm male grooved |
| Length | 88 mm |
| Height | 42 mm |
| Inlet Diameter Inside / Outside | 15 mm / 21 mm |
| Outlets Diameter Inside / Outside | 6 mm / 11 mm |
This CMP 21038 + 21033 reducer allows you to go from an 3/4'' inlet to two outlets 3/8'' male grooved. It is a reducer sleeve for manifold connection, with a length of 88 mm and a height of 42 mm.
Check the CMP reference 21038 + 21033 before purchase. Also, verify the diameters of your existing fitting: inlet 15 mm inside / 21 mm outside and outlets 6 mm inside / 11 mm outside.
Replacement should be done on a closed circuit. Compare the old fitting with the indicated dimensions before installation.
You will receive a 3/4'' to 2 outlets 3/8'' grooved reducer, reference CMP 21038 + 21033.
How can I verify that this reducer is suitable for my installation?
First, check the CMP reference 21038 + 21033. Then compare the dimensions of your current fitting with those indicated: 3/4'' inlet and two 3/8'' male grooved outlets.
What are the main dimensions of this reducer?
The length is 88 mm and the height is 42 mm. The inlet measures 15 mm inside / 21 mm outside, and the outlets measure 6 mm inside / 11 mm outside.
What are the possible delivery methods?
Delivery depends on the product, your country, and your address. Depending on the order, shipping can be done to your home or to a pickup point. The exact options are displayed in your cart.
How can I track my package?
You will receive email notifications at different stages, with a tracking link or number upon shipment. You can also check your customer account.
Can I return the product if I made a mistake?
A return is possible within 14 days after receipt. For industry professionals, this period can be extended to 60 days.
What payment methods are accepted?
Payment can be made by credit card, PayPal, 4X PayPal, bank transfer, or check. For a bank transfer, shipping occurs after the funds are received.
Free payment by credit card
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