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Use an ASME Section I or IV steam safety valve for steam boiler applications
spaced for standard blower housing brackets
The Fenwal 35-70 series uses proprietary Detect-A-Flame technology for remote flame sensing
When you're outfitting a hydronic system that demands precision
Lennox 11Y29 Expansion Valve 321894-709 Use an ASME Section IThe Lennox 11Y29 Expansion Valve is a high precision 3 ton R410A TXV engineered for critical refrigerant metering in residential and light commercial evaporators. This OEM Lennox 104413 01 thermal expansion valve utilizes a balanced port design to maintain a static superheat of 5. 54F, ensuring stable system operation across varying load conditions. Designed with sweat solder connections and a 132. 81 PSIG calibration point, it facilitates a leak
