Robertshaw 720-402 Valve

1/2X3/4"24v NAT/LPvlv

720-402 is the direct replacement for 720-400

Robertshaw 720-402 Gas Valve – 1/2” x 3/4” 24V Dual Valve for Natural Gas and LP, 150,000 BTU

The Robertshaw 720-402 is a high-performance dual gas valve from the trusted 720 Series, designed for safe, versatile control of natural gas or LP (liquefied petroleum) in residential and commercial heating applications. With a robust 1/2” x 3/4” NPT connection and a 24V pilot ignition system, this valve delivers up to 150,000 BTU/hr, making it ideal for furnaces, boilers, heaters, and other gas-fired appliances.

Key Features:

• Dual Functionality – Incorporates six key components: manual shut-off, safety shut-off magnet, dual automatic valves, pilot adjustment, and a main gas regulator

• Natural Gas/LP Compatibility – Factory set for natural gas (3.5 in-WC), easily convertible to LP with the included regulator conversion kit

• Flexible Installation – Mountable in any position except upside down, with a compact 3-9/16" swing radius for easy replacement of OEM valves

• User-Friendly Design – Top-mounted wiring, selector switch, and adjustments simplify installation and maintenance

• Durable Construction – Built for long-term reliability in demanding temperature conditions from -40°F to 175°F

Specifications:

• Brand: Robertshaw®

• Model Number: 720-402

• Part Number: 720402*

• UPC: 662013635978

• Series: 720 Series

• Gas Type: Natural Gas, LP, Mixed, Manufactured

• Ignition Type: Pilot Ignition

• Inlet/Outlet Size: 1/2" x 3/4" NPT

• Operating Voltage: 24V (Control), 120V (Nominal)

• Current Draw: 0.5 A

• Pressure Rating: 0.5 psi

• BTU Capacity: 150,000 BTU/hr

• Temperature Range: -40°F to 175°F

• Includes: 3/4" x 1/2" NPT reducer bushing, 1/2" FPT side outlets with plugs, Uni-Kit® LP conversion kit

• Terminal Type: Screw/Spade with NEMA standard connections

• Pilot Outlet: 1/4" tubing

Ideal Applications:

• Residential and commercial HVAC systems

• Gas furnaces, boilers, water heaters

• Retrofit and replacement of OEM valves

Ensure safe and efficient gas flow control with the Robertshaw 720-402 Gas Valve—a universal solution engineered for durability, flexibility, and optimal performance in both natural gas and LP applications.

Tags: Robertshaw 720-402, Robertshaw gas valve, 720 Series gas valve, dual gas valve, HVAC gas valve, 24V pilot ignition valve, natural gas to LP conversion, 150000 BTU gas valve, Robertshaw OEM valve