Sensus 143-1 Regulator

1"STD,3/8"ORIF,GREEN 6-14"WC

Sensus 143-1 Gas Regulator – 1" Inlet, 3/8" Orifice, Green Spring (6–14" WC), Rockwell-Equimeter Series 143-80

The Sensus 143-1 Regulator (also known as Rockwell-Equimeter 143-1) is a high-performance gas pressure regulator designed for residential, commercial, and light industrial applications. Featuring a 1” standard inlet, 3/8” orifice, and a green spring range of 6–14” water column (WC), this compact and durable unit delivers reliable and precise gas pressure control.

Key Features:

• Model: Sensus 143-1 (Series 143-80)

• Inlet Size: 1” Standard

• Orifice Size: 3/8”

• Spring Range: 6–14” WC (Green Spring)

• Internal Relief Valve: Activates ~7–10” WC above outlet pressure for added safety

• Valve Body: Rugged cast iron, rated up to 125 psig working pressure

• Operating Temperature: -20°F to +150°F (-28.9°C to +65.5°C)

• Construction: Die-cast aluminum spring housing and lower case; aluminum orifice

• Connection Type: Union nut connection – no bolts/screws required

Applications:

• Residential gas systems

• Furnaces, ovens, and heaters

• Commercial and industrial burners

• Gas engines

• Suitable for natural gas, propane (LPG), air, dry CO₂, and other non-corrosive gases

Why Choose the Sensus 143-1 Regulator?

• Versatile Installation: Can be set in nearly any position for field convenience

• Durable & Long-Lasting: Designed for extended service life with minimal maintenance

• Safe & Reliable: Built-in internal relief valve and rugged cast iron construction ensure dependable performance

Optimize your gas pressure control system with the trusted performance of the Sensus 143-1 Regulator. Shop now for fast shipping and competitive pricing across all HVAC and gas control supplies.

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