Watts TS-OSY Gate Valve

The Watts TS-OSY is a genuine supervisory tamper switch for 2 1/2" to 12" gate valves.

This supervisory tamper switch, model TS-OSY, is intended for use in fire service systems. The purpose is to sound an alarm when the OS&Y valve is closed, or the tamper switch is removed. The TS-OSY supervisory switch is UL Certified, Safety Signaling (Control No. 3L38), and installed on all OS&Y type valves that can be used to isolate the flow of water to any portion of the fire sprinkler system, where indicated on the drawings and plans and as required by applicable codes and standards. The supervisory switch is NEMA 4X and 6P rated and suitable for use indoors or outdoors. Fits TS-OSY models in sizes 2 1/2 to 12". Includes installation instructions.

Features

• Integrated supervisory switch eliminates lengthy field instruction and opportunity for error
• Industry-standard switch to meet all traditional specifications and code requirements
• Operation calibrated at factory to eliminate field calibration
• Rigid mounting connection to gate valve without brackets that can bend, loosen, or deflect from position
• Includes: Tamper Switch

Common Questions

Will this kit fit my valve?

The TS-OSY fits 2 1/2", 3", 4", 6", 8", 10" and 12" sizes of this Watts assembly. Kits are size- and series-specific, so match the model stamped on your valve body or cover before ordering.

What's included in this kit?

This is a supervisory tamper switch — it carries the factory parts for that subassembly only, not a whole-valve rebuild. See the Watts spec sheet for the exact part breakdown.

Are these genuine Watts parts?

Yes. This is the factory TS-OSY kit built with genuine Watts OEM components. Aftermarket parts can void your assembly approval and are commonly rejected by inspectors at annual test time.

Specifications

• Type: Gate
• Country of Origin: United States
• Warranty: 1 Year Limited
• MPN: TS-OSY
• Lead-Free: No
• Product Role: accessory
• Kit Type: Supervisory Tamper Switch
• Fits Brand: Watts
• Fits Valve Size: 2 1/2";3";4";6";8";10";12"
• Genuine OEM Parts: Yes