Best Bypass Set 1 45 2026

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Last Updated - 03.02.2026

Best Choice

01

Paradies Pool

PVC-U Bypass Set 2 45° for Heat Pumps Diameter 50 mm Pool Heating Swimming Pool Heating Water Heating

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

This bypass set branches off some pool water and directs this flow optimised to the heat pump through a 45° angle. It is then returned to the normal water cycle.
The bypass is required to integrate a heat pump into the filter circuit. Also suitable for solar systems.
PVC-U bypass for heat pumps diameter 50 mm including glue, cleaner and PVC pipe
Items are delivered individually and unglued
Flow optimised thanks to 45° angle

130,99 €
Value for Money

02

Paradies Pool

Bypass Set 2 45 ° for Heat Pumps Diameter 50 mm

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The bypass is required to heat pump in the filter cycle so
Strömungsoptimiert thanks to 45 ° angle
Item supplied individually and Unverklebt
Bypass for heat pumps diameter 50 mm
Also suitable for solar installations

120,99 €
03

Paradies Pool GmbH

Bypass Set 1 45° for Heat Pumps Diameter 50 mm Pool Heating Swimming Pool Heater

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

This bypass set branches off some pool water and directs this flow optimised to the heat pump through a 45° angle. It is then returned to the normal water cycle.
The bypass is required to integrate a heat pump into the filter circuit. Also suitable for solar systems.
Items are delivered individually and unglued
Flow optimised thanks to 45° angle
Bypass for heat pumps diameter 50 mm

89,00 €
04

Paradies Pool

PVC-U Bypass Set 1 45° for Heat Pumps Diameter 50 mm Pool Heating Swimming Pool Heating Water Heating

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

This bypass set branches off some pool water and directs this flow optimised to the heat pump through a 45° angle. It is then returned to the normal water cycle.
The bypass is required to integrate a heat pump into the filter circuit. Also suitable for solar systems.
PVC-U bypass for heat pumps, diameter 50 mm
Items are delivered individually and unglued
Flow optimised thanks to 45° angle

114,99 €
05

HAF

HAF® Bypass Set 45° | Valve for Connecting Pool Heat Pump Pool Heating Solar System | Adapter for Optimal Regulation of Water Flow | Connection Set with 32 mm 38 mm Hose Connection

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Universal use: all our bypass sets contain hose nozzles that are compatible with both 32 mm (1.25 inches) and 38 mm (1.5 inches) swimming pool hoses - suitable for any pool equipment
Easy to install: our bypass sets are delivered in individual parts and require self-assembly. The PVC kits include instructions for quick and easy installation.
Easy installation: the bypass set is connected behind the sand filter system so that only the clean water flows through your pool heater and is directed back into the pool after heating.
Design: 3 x 1 1/2 inch female thread + 3 x hose connector 32/38 mm hose nozzle x 1 1/2 inch easy regulation: with our bypass set you can easily control the water flow via your heat pump, solar heater, pool heater, etc. into your pool.
Box contents: 3x ball valves, 2x T-piece 45°, 2x angle 45°, 6x 10cm pipes, 4x hose nozzles 32/38x50mm, 4x hose clamps 32-50mm, 1x glue 250ml, 1x cleaner 125ml

104,99 €
06

HAF

HAF® Bypass Set 45° | Valve for Connecting Pool Heat Pump Pool Heating Solar System | Adapter for Optimal Regulation of Water Flow | Connection Set with 32 mm 38 mm Hose Connection

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Universal use: all our bypass sets contain hose nozzles that are compatible with both 32 mm (1.25 inches) and 38 mm (1.5 inches) swimming pool hoses - suitable for any pool equipment
Easy to install: our bypass sets are delivered in individual parts and require self-assembly. The PVC kits include instructions for quick and easy installation.
Easy installation: the bypass set is connected behind the sand filter system so that only the clean water flows through your pool heater and is directed back into the pool after heating.
Design: 3 x 1 1/2 inch female thread + 3 x hose connector 32/38 mm hose nozzle x 1 1/2 inch easy regulation: with our bypass set you can easily control the water flow via your heat pump, solar heater, pool heater, etc. into your pool.
Box contents: 3x ball valves, 2x T-piece 45°, 2x angle 45°, 6x 10cm pipes, 4x hose nozzles 32/38x50mm, 4x hose clamps 32-50mm, 1x glue 250ml, 1x cleaner 125ml

104,99 €
07

LionFlex

LionFlex Bypass Set Basic Deluxe 45° Pool Swimming Pool Heat Pump Pool Heating Solar System Precise Regulation of Water Flow Efficient Pool Optimisation

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The Bypass Set Basic Deluxe 45° is delivered in individual parts and requires self-assembly. Thanks to the included user manual (English language not guaranteed), assembly is quick and easy
The Basic Deluxe 45° bypass set can be used in many ways, where the water flow needs to be regulated (solar systems, etc.)
The 19-piece bypass set Basic Deluxe 45° is optimally matched. The materials are made of high-quality PVC (no ABS hose connectors)
Thanks to the high-quality PVC pressure hose nozzles, a connection of 32 mm and 38 mm hoses is possible
Thanks to the Basic Deluxe 45° bypass set, you can regulate the water flow in your swimming pool circuit specifically and thus optimise your pool efficiently

89,95 €
08

Steinbach

Steinbach Fittinge Bypass Set (3-Way Valve / Hose spouts, hose pipe, Teflon Tape, Multi-Coloured, 12-Piece

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10% Off
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Suitable for hose connection diameter 32/38 mm
Steinbach Packaging:
Specially designed for solar systems, heat pumps
High-quality plastic
For targeted control of the water flow
Box contents: 1 x 3-way valve, 1 x T-piece, 3 x hose nozzle, 6 x hose clamp, 1 x Teflon tape

23,19 € 25,90 €(10% Off off)
09

Steinbach

Steinbach Fittinge Bypass Set (3-Way Valve / Hose spouts, hose pipe, Teflon Tape, Multi-Coloured, 12-Piece

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13% Off
8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Suitable for hose connection diameter 32/38 mm
Steinbach Packaging:
Specially designed for solar systems, heat pumps
High-quality plastic
For targeted control of the water flow
Box contents: 1 x 3-way valve, 1 x T-piece, 3 x hose nozzle, 6 x hose clamp, 1 x Teflon tape

22,49 € 25,90 €(13% Off off)
10

Monzana

Monzana Bypass Set Pool 12-Piece 3-Way Valve Connection Diameter 32/38 mm Hose Clamps Sand Filter Systems Pool Heating Heat Pump Solar Heating

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8.2

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Universal fit: for the three ABS adapters you can use swimming pool hoses from 1.25 inches (diameter 32 mm) to 1.5 inches (diameter 38 mm). With the 3-way valve, you can connect swimming pool hoses of 1.5 inches (diameter 38 mm). Perfectly flexible for your pool equipment
Thought of everything: the complete set includes the 3-way valve with stopcock, 3 x ABS hose adapter connections, 6 stainless steel hose clamps, 8 m Teflon tape to seal components (8.0 m), and the T-piece. Everything you need for the pool.
Easy regulation of the amount of heat and filter water: with the Monzana bypass set, you can relax and control the water flow through your heat pump, solar heater, pool heater, etc. into your pool.
Easy installation: the 3-way valve is connected behind a sand filter system to allow the clean pool water to flow through your solar heating etc. After reaching the desired temperature, direct it back into the pool.
Cleanly sealed: the 6 high-quality stainless steel hose clamps and the 8 m Teflon tape ensure the correct sealing of the hose connections. This prevents water leakage.

29,45 €