The Laars Heating Systems R2005600 is an essential diagnostic light set designed for high-output commercial boiler maintenance and performance monitoring

This model typically carries a 1

It provides active flow modulation based on evaporator load

maintaining heating continuity

Key Benefits Precise Ignition Timing: Optimizes the furnace cycle and reduces fuel waste through accurate gas valve and spark control

Resideo T812A1010 Thermostat 340155-7026 The Laars Heating Systems R2005600Engineered for reliable, low voltage control of single stage heating systems, the Resideo T812A1010 Thermostat is a staple for service calls requiring a durable, non programmable heat only thermostat. This unit features a snap acting bimetal switch that eliminates the need for precise leveling during installation and avoids the use of mercury. Field tested for 24 Vac heating systems, it operates on a Single Pole Single Throw (SPST switching action)