the 102G3432HS typically comes with the necessary starting relay (PTC or Klixon type)

serving as the direct replacement for S1-024-31947-004

specifically engineered for 208/230-volt single-phase applications

This is the mounting plate itself

Laars Heating Systems R2014902 Heat Exchanger 324846-701 the 102G3432HS typically comes withProfessional grade hydronic performance relies on the integrity of the heat transfer surface. The Laars Heating Systems R2014902 Heat Exchanger is an OEM replacement part engineered for high output Laars commercial boilers and heating systems. This 10 tube heat exchanger utilizes a precision engineered configuration to maximize surface area contact, ensuring high rate thermal exchange between fluids without cross contamination. Constructed for heavy