The Belimo B307B is a professional-grade 1/2 inch 3-way ball valve designed for precise flow control in demanding hydronic systems

maintaining consistent system ignition and preventing hazardous gas flow if the flame is lost

preventing electrical mismatched and potential control board damage

as a Class 2 power source

Beckett Igniter PF20372U Pump 321142-301 The Belimo B307B is aThe Beckett PF20372U CleanCut Fuel Pump is a heavy duty, single stage 12VDC oil burner pump engineered for precision fuel delivery in mobile and off grid heating applications. Operating at 3450 RPM, this pump is optimized for No. 2 or lighter fuel oils and comes factory set at 100 PSI, with a field adjustable range up to 200 PSI. The Beckett PF20372U is a direct technical replacement for the Suntec A2EA 6527 and legacy Beckett models 2184402U and