Watts TP300-DR User Manual
Trap primer & distribution unit tp300-dr, Flow chart
ES-WD-TP300-DR USA 1407 TP300-DR
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.
Trap Primer & Distribution Unit
TP300-DR
Flow Chart
INLET PRESSURE
25
50
75
100
125
*GPM
1.1
1.6
2.0
2.3
2.4
*LPM
4.2
6.1
7.6
8.7
9.1
*Minimum cold flow required for proper trap priming.
Model TP300T-DR
Model TP300S-DR
Model TP300 -DU-DR
Upper Disc Seal (1)
Supply
Valve Disc (2)
One Way Seal (3)
Lower Disc Seal (4)
Air Chamber (5)
To Trap
1 1/4
[32 mm]
1 1/4
[32 mm]
4 5/16
[110 mm]
4 1/4
[107 mm]
TP300T
Weight: 1.02 Lbs / .46 Kgs
TP300S
Weight: .95 Lbs / .43 Kgs
B
A
Model TP300T
Model TP300S
1 1/4
[32 mm]
1 1/4
[32 mm]
4 5/16
[110 mm]
4 1/4
[107 mm]
TP300T
Weight: 1.02 Lbs / .46 Kgs
TP300S
Weight: .95 Lbs / .43 Kgs
A
B
1
⁄
2 " Compression
4 Places
1
⁄
2 " NPT
B
A
MODEL
SIZE (DN)
DIMENSIONS
A
B
in.
mm
in.
mm
in.
mm
TP300T-DR
1
⁄
2
15
4
5
⁄
16
110
1
1
⁄
4
32
TP300S-DR
1
⁄
2
15
4
1
⁄
4
107
1
1
⁄
4
32
TP300-DU-DR
1
⁄
2
15
3
1
⁄
8
79
2
13
⁄
16
71
Threaded
Sweat
*The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.