WattsVerified
Watts N36 Spec Sheet
1/2 inch Vacuum Relief Valve
Product Overview
Ensure optimal system integrity with the Watts N36-M1 Vacuum Relief Valve, featuring a durable all-brass body and available in 1/2" – 3/4" Male NPT sizes. Designed for low-pressure steam and water service, this valve is rigorously tested and rated to ANSI Z21.22, and CSA certified. Easily access the comprehensive spec sheet and shop drawings for seamless submittal on your next project.
Key Features
- Low profile
- All brass body
- Protective cap
- Suitable for low pressure steam and water service
- Tested and rated to ANSI Z21.22
- CSA certified
Technical Specs
Weight4 oz. (113 gr)
Body MaterialBrass
CertificationsANSI Z21.22, CSA certified
Connection Sizes1/2" – 3/4" Male NPT
Venting Capacity15 CFM (425 LPM)
Maximum Temperature250°F (121°C)
Overall Dimensions (A x B)2 in. x 2 in. (50mm x 50mm)
Maximum Steam Working Pressure15 psi (1.03 bars)
About This Spec
Last Verified
April 16, 2026
Status
Verified (1x confirmed)
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