Watts TP300-DR User Manual
TP300-DR
*Minimum
1 1/4
[32 mm]
4 1/4
[107 mm]
Trap Primer & Distribution Unit
Tag:
SPECIFICATION: Watts Drainage TP300-DR pressure drop activated lead free*brass trap primer with EPDM seals, integral
air gap, and 1/2” sweat or NPT threaded connections. Operating pressure 25 psi - 125 psi. Tested and approved in
conformance with ASSE Standard 1018. Specify Model TP-300-DU-DR for Distribution Unit.
Flow Chart
INLET PRESSURE 25 50 75 100 125
*GPM
*LPM
1.1 1.6 2.0 2.3 2.4
4.2 6.1 7.6 8.7 9.1
cold ow required for proper trap priming.
Supply
Model TP300T-DR Model TP300S-DR Model TP300 -DU-DR
Model TP300T Model TP300S
4 5/16
A
[110 mm]
1 1/4
B
[32 mm]
4 1/4
A
[107 mm]
1 1/4
[32 mm]
B
B
A
MODEL SIZE (DN) DIMENSIONS
A B
in. mm in. mm in. mm
TP300T-DR
TP300S-DR
TP300-DU-DR
1
⁄
Threaded
2
1
⁄
2
1
⁄
2
Sweat
15 4
15 4
15 3
5
⁄
16
1
⁄
4
1
⁄
8
110 1
107 11⁄
79 213⁄
1
⁄
4
4
16
1
⁄
1
⁄
2 "Compression
4 Places
2 " NPT
Upper Disc Seal (1)
Valve Disc (2)
One Way Seal (3)
Lower Disc Seal (4)
Air Chamber (5)
To Trap
32
32
71
*The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.
ES-WD-TP300-DR USA 1407 TP300-DR
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