Maxitrol MR212J-3232 4 inches NPT Negative Pressure Modulating Valves

Product Description

The Maxitrol MR212J-3232 4" NPT Negative Pressure Modulating Valves provide precise, instantaneous temperature control without requiring a motor or mechanically driven butterfly valve. These valves are designed for negative pressure applications, using a counter spring to keep the valve closed. The MR212 valves are factory set for applications up to -1.5” w.c. and are field adjustable for up to -3.5” w.c.

• Designed for negative pressure (pull through) applications.
• Field adjustable for up to -3.5” w.c.
• Adjustable bypass provides a minimum firing rate to the burner.

Product Highlights

The MR212J-3232 modulating valves maintain consistent temperatures for stabilized area heating and elevated heating applications.

Product Information

Standard Information

• Brand: MAXITROL
• Manufacturer Part Number: MR212J-3232

Technical Specifications

• Operating Temperature Range: -40º to 125ºF (-40º to 50ºC)
• Non-Operating Ambient Temperature Range: -50º to 185ºF (-45º to 85ºC)
• Gases: Natural, Manufactured, Mixed, Liquefied Petroleum and Liquefied Petroleum Gas Air Mixtures. H, H-1 models for use with Liquefied Petroleum and other applications.
• Certifications: CSA listed to certify compliance with nationally published safety, construction, and performance standards.UL recognized for compliance to nationally published safety, construction, and performance standards in U.S. and Canada.
• Vent: Vertical Outlet 1/8" NPT