| A | 257-02041 | Hot/Chilled Water Valve | 250 psi | 2-Way NO | SGD 350.53 | |
| B | 256-02008 | Used to Provide Pneumatic Proportional Control of Water, Steam and Ethylene Glycol Solutions (Up to 50 Percent) | 15 psi | 2-Way NC | SGD 367.67 | |
| B | 257-02038 | Used to Provide Pneumatic Proportional Control of Water, Steam and Ethylene Glycol Solutions (Up to 50 Percent) | 15 psi | 2-Way NO | SGD 367.67 | |
| B | 257-02044 | Used to Provide Pneumatic Proportional Control of Water, Steam and Ethylene Glycol Solutions (Up to 50 Percent) | 15 psi | 2-Way NO | SGD 409.48 | |
| C | 258-02069 | Used to Provide Pneumatic Proportional Control of Water, Steam and Ethylene Glycol Solutions (Up to 50 Percent) | 15 psi | 3-Way | SGD 400.14 | |
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