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Replacement O-Ring for S500 Water Trap
The Seitron S500 Water Trap Replacement O-Ring # WORIA31 is manufactured by Seitron. Valley Instrument Service is an authorized Seitron dealer offering full sales support, NIST-traceable calibration, and expert technical assistance.
Our team can help with product selection, specs, pricing, and application support.
Contact Us or Call (661) 327-8681Accessories, replacement sensors, and parts for this product family.
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12" Probe (300mm) with 5' (1.5m) Dual Sampling Hose Up to 752 °F (400 °C)

S500-3 Basic Kit: O2, CO, CO2, NOx, no printer, Combustion Efficiency, Excess Air, Draft, Pressure, Temperature, 12" Probe with 5' Hose, & Hard Plastic Carrying Case. Includes Bluetooth and QR Code Smartphone Apps.

Gas Pressure Tube, 1m Length (For NOVO)

2-Gas NOVO Basic Kit: Long-Life O2, CO, CO2, No Printer, CO-Dilution, Combustion Efficiency, Excess Air, Draft, Pressure, Temperature, 12" Probe with 10' Hose, Hard Plastic Carrying Case, & Mobile Apps (iOS and Android)