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the H-221 and H221 are identical part numbers and represent the same technical specifications and form factor
Ensure the valve is installed so the internal paddle closes against the direction of flow to prevent water hammer and ensure a tight seal
making it a reliable HVAC replacement part for systems demanding 50/60 Hz frequency compatibility
keeping these kits on hand is essential for rapid response during scheduled outages or emergency steam leak repairs
The 100VA capacity ensures the transformer won't overheat when powering additional 24V loads
Maxitrol 325-5L600-1-LIM Regulator Els PW 29614 the H-221 and H221 areThe Maxitrol 325 5L600 1 LIM is a high performance 1" NPT gas regulator designed for rigorous line pressure applications. Engineered as a lever acting design with OPD (Over Pressure Device), this ANSI Z21. 80 CSA 6. 22 certified valve serves as a critical 2 PSI or 5 PSI piping system interface, reducing upstream pressure to safe operating levels for downstream equipment. It handles 5 PSI max inlet pressure for Natural Gas and 2 PSI max inlet pressure