Description
Robertshaw 700-434 — 1/2″ 24V Slow Opening Gas Valve with Side Tap
The Robertshaw 700-434 is a 1/2″ slow-opening gas valve engineered for dependable, controlled gas flow in residential and light commercial heating applications. Designed to operate on a 24-volt control circuit, this valve delivers smooth, gradual gas admission to the burner — reducing the risk of hard ignition and improving overall system safety and comfort.
Key Features
- 1/2″ pipe connection for straightforward installation in standard gas lines
- 24V operating voltage — compatible with conventional low-voltage heating control circuits
- Slow-opening (SLO) operation for gradual, controlled gas flow to the burner
- Side tap port for convenient pressure testing or accessory connection
- Robertshaw quality construction for long-lasting, reliable performance
- Suitable for natural gas and LP gas applications (verify rating for specific fuel type)
Application
The 700-434 is ideal for use in furnaces, boilers, unit heaters, and other gas-fired heating equipment requiring a slow-opening, 24V-controlled gas valve. The integrated side tap simplifies pressure testing and system diagnostics without the need for additional fittings.
Why Choose Robertshaw?
Robertshaw has been a trusted name in gas controls and heating components for decades. Their gas valves are built to meet rigorous industry standards, providing installers and technicians with the confidence of proven performance in the field.







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