Watts Water Technologies
Leaded Cast Iron, Wye-Pattern Threaded Strainers
- SKU:
- 77SI
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
Description

Leaded Cast Iron, Wye-Pattern Threaded Strainers
Series 77SI Cast Iron, Wye-Pattern Strainers feature a wye-pattern, iron body with NPT threaded connections, stainless steel screen, threaded iron retainer cap with non-asbestos gasket and blow-down connection. Series 77SI has machined seat that allows the screen to be self-aligning to assure a perfect fit. Maximum Pressure (non shock): 400psi (27.6 bar) at 150°F (66°C) WOG, 250psi (17.2 bar) at 406°F (208°C) WSP.

Product Highlights
- Cast steel 45° wye-pattern body for efficient flow and long life
- NPT threaded connection and threaded iron retainer cap for easy installation
- Machined seat allows self-aligning screen to help ensure a perfect fit
- Non-asbestos gasket and blow-down connection for greater confidence
Technical Specifications
| Manufacturer | Watts Water Technologies |
|---|---|
| Series / Model | 77SI |
| Connection / Configuration | NPT threaded |
| Construction | Cast iron |
| Listed Options | 1/4, 3/8, 1/2, 3/4, 1, 1-1/4, 1-1/2, 2, 2-1/2, 3 |
| Product Code | 77SI |
Product Documents
Product Questions
What is the listed connection configuration?
NPT threaded. Confirm the selected option and matching piping requirements before ordering.
What construction is identified for this product?
Cast iron. Review the product documents for the full component materials and selected model details.
Which options are included in this listing?
1/4, 3/8, 1/2, 3/4, 1, 1-1/4, 1-1/2, 2, 2-1/2, 3. Choose the required option before ordering.

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