Built with a Single Pole Single Throw (SPST) configuration

including the TB3

While a 3-pole contactor can technically switch single-phase power by using two of the three poles

the issue is likely the inducer or venting

ensuring a secure and vibration-resistant fit into the burner assembly

Belimo B210 Valve Els PW 17895 Built with a Single PoleThe Belimo B210 is a precision engineered 1 2 inch 2 way characterised control valve designed for tight modulation in hydronic HVAC systems. Featuring a 1. 2 Cv rating and equal percentage flow characteristic, this valve ensures linear heat output by compensating for the non linear relationship between flow and heat transfer in coils. The nickel plated forged brass body combined with a 304 stainless steel ball and stem provides superior durability and