this unit is the engineered successor for M131A00 and M131A00B models

closing when the negative pressure reaches the specified set point

NSR actuator that integrates seamlessly with DDC controllers for pressure-dependent or pressure-independent hydronic circuits

this assembly is strictly for natural gas burner applications

Reliable One-Way Seal: Spring-loaded ball mechanism delivers positive shut-off to prevent damaging reverse flow

Browning BX103 Belt Els PW 29614 this unit is the engineeredThe Browning BX103 Belt is a heavy duty Gripnotch V Belt engineered for industrial HVACR and power transmission systems requiring high torque and efficiency. Featuring a 106" Outside Diameter and a 5 8" top width, this BX section cogged belt utilizes precision molded cogs to increase surface area, facilitating superior heat dissipation during continuous operation. Constructed from high grade EPDM (Ethylene Propylene Diene Monomer), the belt is