Heating Basics â Gas Valve Systems - Robertshaw Thermostats
Heating Basics â Gas Valve Systems - Robertshaw Thermostats
Heating Basics â Gas Valve Systems - Robertshaw Thermostats
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Additional <strong>Gas</strong> <strong>Valve</strong> Characteristics<br />
• Combination <strong>Gas</strong> <strong>Valve</strong>s<br />
• Open <strong>Valve</strong> Options<br />
– Standard Opening<br />
– Slow Opening<br />
– Step Opening<br />
– Two-stage Models<br />
• Close <strong>Valve</strong> Options<br />
– Snap Action<br />
– Snap Throttle
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