Robertshaw Water Heater Gas Valves & Controls

Robertshaw Water Heater Gas Valves & Controls

When it comes to the safe and efficient delivery of hot water in residential and commercial settings, few names carry more weight than Robertshaw. With over a century of engineering expertise in thermostatic and gas control technology, Robertshaw has become one of the most trusted manufacturers of water heater gas valves and controls in the industry. Their products sit at the intersection of precision engineering and real-world reliability — qualities that matter enormously when controlling the combustion process inside a water heater.

What Robertshaw Gas Valves Do

A water heater gas valve — sometimes called a combination gas valve or thermostat-gas valve assembly — performs multiple critical functions simultaneously. It regulates gas flow to the burner, maintains the set water temperature via an integrated thermostat, houses the pilot light safety circuit, and shuts off gas flow if the thermocouple or thermopile detects an unsafe condition. Because all of these functions are packed into a single unit, the quality and precision of that valve directly impact both the safety and the energy efficiency of the water heater. Robertshaw's combination gas valves are engineered to handle all of these duties in a compact, robust package designed for long service life.

Why Robertshaw Stands Out in This Category

Robertshaw has long been an OEM supplier to major water heater manufacturers, which means their valves are frequently the factory-installed original in many popular heater brands. This OEM heritage translates directly into replacement parts that fit and function exactly as the manufacturer intended, without guesswork about compatibility or performance. Robertshaw's water heater gas valves are built to meet or exceed ANSI standards and are designed for straightforward installation, with clearly labeled ports and connection points that match common water heater configurations.

Their controls lineup spans a wide range of BTU ratings and inlet/outlet configurations, making it possible to find the right valve for natural gas or liquid propane systems across a broad spectrum of tank sizes and heater models. Whether you are a professional plumber replacing a failed valve on a service call or a knowledgeable homeowner tackling a DIY repair, Robertshaw's 22-product lineup in this category offers meaningful coverage across the most commonly encountered water heater platforms.

Key Features to Look For

• Fuel type compatibility: Robertshaw offers valves for both natural gas (NG) and liquid propane (LP) systems — confirm your heater's fuel type before selecting a replacement.
• BTU capacity: Match the valve's rated BTU input to your water heater's burner for safe, efficient operation.
• Thermocouple vs. thermopile: Some Robertshaw valves work with a traditional single thermocouple; others are designed for thermopile-based electronic ignition systems.
• Temperature range: Look for valves with clearly marked temperature settings, including a vacation/pilot mode and a high-limit safety cutoff.
• Thread and port compatibility: Robertshaw valves are designed to match the gas inlet, pilot, and main burner port sizes standard to common water heater brands.

A Reliable Choice for Repair and Replacement

Because a faulty gas valve is one of the most common causes of a water heater failing to heat water or failing to maintain temperature, having access to a trusted, OEM-quality replacement is essential. Robertshaw's deep experience as both an OEM and aftermarket supplier makes their gas valves and controls a go-to solution for technicians and homeowners alike. Browse the full Robertshaw brand catalog or explore the complete range of water heater gas valves and controls to find the right part for your application.