Submittal Sheet

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