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Radiant Heating and Cooling Systems www.uponorpro.com 888.994.7726
Radiant Heating and Cooling Systems
Uponor Radiant Heating and Cooling Systems
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The QS-style Compression Fitting Assembly with O-ring connects ⁵⁄₁₆", ³⁄₈", ¹⁄₂" and ⁵⁄₈" Uponor PEX tubing
to Uponor brass and EP heating manifolds and R20 fittings. Sold as a three-piece assembly. The QS-style
compression rings and o-rings are also sold separately.
Part No. Part Description Pkg. Qty. List Price/Ea.
A4020313 ⁵⁄₁₆" QS-style Compression Fitting Assembly, R20 thread 10 $16.20
A4020375 ³⁄₈" QS-style Compression Fitting Assembly, R20 thread 10 $12.55
A4020500 ¹⁄₂" QS-style Compression Fitting Assembly, R20 thread 10 $13.65
A4020625 ⁵⁄₈" QS-style Compression Fitting Assembly, R20 thread 10 $16.65
A4021116 Replacement O-ring for insert (R20) 10 $0.40
The QS-style Compression Fitting Assembly with O-ring connects ⁵⁄₈" and ³⁄₄" Uponor PEX tubing to 2"
Copper Valved Manifolds and other R25 male-threaded fittings.
Part No. Part Description Pkg. Qty. List Price/Ea.
A4030625 ⁵⁄₈" QS-style Compression Fitting Assembly, R25 thread 10 $21.50
A4020750 ³⁄₄" QS-style Compression Fitting Assembly, R25 thread 10 $24.90
A4021000 Replacement O-ring for insert (R25) 10 $0.55
The QS-style Compression Ring (replacement part) is designed and tested for use with Uponor PEX tubing.
Note: Do not substitute similar compression rings.
Part No. Part Description Pkg. Qty. List Price/Ea.
A4160313 ⁵⁄₁₆" QS-style Compression Ring, spare part 10 $3.80
A4160375 ³⁄₈" QS-style Compression Ring, spare part 10 $3.10
A4160500 ¹⁄₂" QS-style Compression Ring, spare part 10 $3.65
A4160625 ⁵⁄₈" QS-style Compression Ring, spare part 10 $3.75
A4160750 ³⁄₄" QS-style Compression Ring, spare part 10 $9.15
ProPEX Fitting Assembly with ProPEX insert connects ³⁄₈" through ³⁄₄" Uponor PEX tubing to brass and EP
Heating Manifolds. Sold as a two-piece assembly, it includes a ProPEX insert and R20 swivel nut.
Part No. Part Description Pkg. Qty. List Price/Ea.
Q4020375 ³⁄₈" ProPEX Fitting Assembly, R20 thread 10 $9.60
Q4020500 ¹⁄₂" ProPEX Fitting Assembly, R20 thread 10 $9.00
Q4020625 ⁵⁄₈" ProPEX Fitting Assembly, R20 thread 10 $10.05
Q4020750 ³⁄₄" ProPEX Fitting Assembly, R20 thread 10 $16.80
ProPEX Fitting Assembly with ProPEX insert connects ⁵⁄₈" and ³⁄₄" Uponor PEX tubing to other R25 male-
threaded fittings. Sold as a two-piece assembly, it includes a ProPEX insert and R25 swivel nut.
Part No. Part Description Pkg. Qty. List Price/Ea.
Q4030625 ⁵⁄₈" ProPEX Fitting Assembly, R25 thread 10 $12.65
Q4030750 ³⁄₄" ProPEX Fitting Assembly, R25 thread 10 $12.55
QS-style Compression
Fitting Assembly
QS-style Compression Ring
ProPEX Fitting Assembly