Replacement Parts List

Uponor Radiant Heating and Cooling Systems

www.uponor.ca (888) 994-7726 Radiant Heating and Cooling Systems

Radiant Heating and Cooling Systems

The QS-style Coupling Nipple (brass) and the appropriate ﬁ tting assembly connect ⁵⁄₁₆", ¹⁄₂", ⁵⁄₈" or ³⁄₄"

Uponor tubing together.

Part No. Part Description Each Qty. Pkg. Qty.

A4322020 QS-style Coupling Nipple, R20 x R20 - 10

A4322525 QS-style Coupling Nipple, R25 x R25 (for ³⁄₄" tubing only) - 10

The QS-style Conversion Nipple (brass) and the appropriate ﬁ tting connect ⁵⁄₁₆", ¹⁄₂", ⁵⁄₈" or ³⁄₄" Uponor

tubing to ¹⁄₂", ³⁄₄" and 1" NPT.

Part No. Part Description Each Qty. Pkg. Qty.

A4322050 QS-style Conversion Nipple, R20 x ¹⁄₂" NPT - 10

A4322075 QS-style Conversion Nipple, R20 x ³⁄₄" NPT - 10

A4322575 QS-style Conversion Nipple, R25 x ³⁄₄" NPT (for ³⁄₄" tubing only) - 10

A4322510 QS-style Conversion Nipple, R25 x 1" NPT, (for ³⁄₄" tubing only) - 10

Use R20 QS-style Copper Adapter (R20 or R25) and appropriate QS-style Fitting Assembly to transition

Uponor PEX tubing to ¹⁄₂" and ³⁄₄" copper pipe.

Part No. Part Description Each Qty. Pkg. Qty.

A4332050 QS-style Copper Adapter, R20 x ¹⁄₂" Copper - 10

A4332075 QS-style Copper Adapter, R20 x ³⁄₄" Copper - 10

A4332575 QS-style Copper Adapter, R25 x ³⁄₄" Copper (for ³⁄₄" tubing only) - 10

Use R20 QS-style Copper Fitting Adapter and appropriate QS-style Fitting Assembly to transition Uponor

PEX tubing to ¹⁄₂" and ³⁄₄" copper ﬁ ttings.

Part No. Part Description Each Qty. Pkg. Qty.

A4342050 QS-style Copper Fitting Adapter, R20 x ¹⁄₂" Copper - 10

A4342075 QS-style Copper Fitting Adapter, R20 x ³⁄₄" Copper - 10

A4342575 QS-style Copper Fitting Adapter, R25 X ³⁄₄" Copper (for ³⁄₄" tubing only) - 10

A4342510 QS-style Copper Fitting Adapter, R25 X 1" Copper (for ³⁄₄" tubing only) - 10

Use ⁵⁄₁₆" Repair Coupling to connect ⁵⁄₁₆" Wirsbo hePEX tubing together.

Note: One-piece Repair Coupling comes as an assembly. No other ﬁ ttings are necessary.

Part No. Part Description Each Qty. Pkg. Qty.

A4010313 ⁵⁄₁₆" Repair Coupling - 10

Note: For all other sizes of tubing, see ProPEX EP Coupling section on page 33. EP Couplings are suitable

for direct burial.

Tubing Transition Fittings

QS-style Coupling Nipple

QS-style Conversion Nipple

QS-style Copper Adapter

QS-style Copper

Fitting Adapter

Repair Coupling