Pay in 4 interest-free payments of $27.44 Learn more
Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
matching the correct orifice size is vital to prevent over-pressurization and ensure the internal relief valve (IRV) functions within its design parameters
Always verify your current filter dimensions (22 1/2x22x5 1/4) before installation to ensure a proper airtight seal
making it a critical part of the Maxitrol spring selection chart for high-capacity applications such as main burner or pilot load regulation
For fan-on applications
Honeywell 312471 Spring 30067439-890 matching the correct orifice sizeThe Honeywell 312471 is a high performance replacement pneumatic actuator spring specifically engineered for 13 inch MP953A, MP953C, and MP953E series actuators. As a critical component in proportional control systems, this white spring provides a precise 4 11 PSI operating range, ensuring accurate valve positioning for steam, hot water, or chilled water applications. Designed for industrial grade durability, it maintains consistent tension to
US$ 264.47
US$ 234.78
US$ 184.59
US$ 169.20
US$ 169.20
US$ 69.54
