Ao Smith 100110218 Slow Opening Gas Valve 1 Inch Natural Gas

Product Description

The AO SMITH 100110218 is a 1-inch slow opening gas valve designed for natural gas heating applications. It operates on 24 volts and features an adjustable main pressure regulator set at 3.5 inches water column for natural gas service. The slow-opening design controls gas flow gradually on ignition, reducing the risk of hard lighting and pressure surges. This valve is installed by licensed HVAC technicians and plumbers servicing commercial water heating equipment.

This valve is rated for natural gas heating systems and is used with AO SMITH BTC-500 and BT-500 water heaters. It is suited for commercial heating installations requiring a 1-inch gas valve with adjustable pressure regulation and 24-volt control compatibility.

Key Features

• Slow opening operation reduces ignition pressure surges
• 1-inch valve size for standard commercial gas line connections
• 24-volt control circuit compatible with standard thermostat and control board outputs
• Adjustable main pressure regulator set at 3.5 inches water column for natural gas
• Designed for natural gas heating service

Compatibility

Designed for use with AO SMITH BTC-500 and BT-500 water heaters.

Installation Notes

Gas valve replacement must be performed by a licensed HVAC technician or plumber in accordance with local codes and the applicable provisions of the International Fuel Gas Code (IFGC). Shut off the main gas supply and disconnect 24-volt power to the control circuit before beginning any service work. Verify inlet and outlet pressure with a manometer after installation and check all connections for leaks using an approved leak detection solution. Do not restore power or gas until all connections are confirmed leak-free and the valve is fully seated.

Technical Specifications

• Valve Size: 1 inch
• Gas Type: Natural Gas
• Voltage: 24 volts
• Pressure Regulator Setting: 3.5 inches water column (natural gas)
• Opening Type: Slow Opening
• Application: Heating

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100110218