The Robertshaw 700-429 is a 24V combination gas valve designed for use with LP gas systems requiring a slow-opening function for controlled ignition. With a capacity of up to 390,000 BTU, this compact and durable valve includes all key safety and operational features: a manual shutoff valve (gas cock), a separate automatic pilot safety valve, inlet and outlet screens, a pilot outlet, pilot gas filter, and an adjustable pilot key. A slotted safety magnet supports applications requiring an ECO (Energy Cut-Off) switch, providing automatic shutoff if the pilot flame fails. Ideal for commercial and residential heating systems, the 700-429 ensures safe, reliable gas control in a wide range of installations.
Technical Specifications
• Model: 700-429
• Type: Combination Gas Valve
• Gas Type: LP (Liquefied Petroleum) Gas
• Inlet Size: 1/2″
• Outlet Size: 3/4″
• Capacity: 390,000 BTU
• Voltage: 24V AC
• Opening Type: Slow Opening
• Safety Features: Separate pilot safety valve, slotted safety magnet for ECO switch compatibility
• Components: Gas cock, pilot filter, outlet, adjustment key, inlet/outlet screens
• Manufacturer: Robertshaw
Key Features
• Slow-opening action provides safe ignition and flame stability
• Separate automatic pilot safety valve shuts off gas during pilot outage
• Manual gas cock for easy system shutdown and servicing
• Includes pilot outlet, gas filter, and adjustable pilot key
• Slotted magnet design supports use with ECO switches
• Compact and service-friendly for residential and commercial use
Compatible Components & Accessories
• LP gas burners and appliances
• Pilot assemblies and thermocouples
• ECO (Energy Cut-Off) switches
• Robertshaw thermostats and ignition modules
• Regulators and manifold connections
Industry Applications
• Commercial and residential heating systems
• Furnaces, boilers, and unit heaters
• Gas-fired cooking and foodservice equipment
• Industrial LP heating systems
• Replacement in legacy gas control systems
Installation & Maintenance Notes
• Ensure gas type and pressure are compatible before installation
• Mount valve upright, following indicated flow direction
• Wire 24V AC connections according to equipment diagram
• Confirm pilot flame strength and shutoff timing
• Periodically inspect pilot port, filter, and screens for buildup or blockage
• Test ECO switch function where applicable
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