Materials of construction, Pressure, Dimensions – Watts SVS User Manual
Page 2
ES-SV 0334
© Watts Regulator Co., 2003
Printed in U.S.A.
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.wattsreg.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
Materials of construction
Float: Brass
Body: Brass
Pressure
Model SVA
Maximum operating pressure 1.5psi (10.3 kPa).
Maximum pressure 10psi (68.0 kPa).
Model SV, SVS-1, SVS-2, and SVS-3
Maximum operating pressure 6psi (41.3 kPa).
Maximum pressure 10psi (68.9 kPa).
Model SVA Adjustable Features
Top View Setting
Actual Port Opening
• Fast Venting
Full open or
7
⁄
8
port for the radiation farthest from the boiler or
hard to heat radiation (coldest rooms).
• Medium Venting
1
⁄
2
or
3
⁄
4
port for radiation located between middle and end of
main (warm rooms).
• Slow Venting
1
⁄
8
or
1
⁄
4
port for radiation located closest to boiler (hot rooms).
Dimensions
3
1
⁄
8
"
(81mm)
1
3
⁄
4
"
(43mm)
3
7
⁄
16
"
(89mm)
1
1
⁄
4
(32mm)
3
7
⁄
16
"
(89mm)
1
1
⁄
4
"
(32mm)
SV, SVA
SVS-1, SVS-2
SVS-3