Armstrong 47K20 Control TransformerArmstrong 47K20 is a reliable control transformer for HVAC systems, control panels, and industrial applications. It converts 208 240 V input to a 24 V secondary, delivering 40 VA of power to energize relays, sensors, and other low voltage controls. Built for durability in demanding environments, this control transformer features robust windings and primary secondary isolation to protect equipment and operators. The compact 208 240 V primary and 24 V

Keep your heating system running safely and efficiently with this AO Smith replacement kit

This furnace flame sensor kit is designed for G23/G26/G32/90UGF models

Part number 9005895205 simplifies ordering and compatibility checks

it operates from 32 to 225°F and handles inlet pressures up to 1/2 psi

Easy installation: Plug-in design with standard connectors for fast service

Whether upgrading after routine maintenance or performing a standard replacement

Engineered for robust industrial use

reliable ignition

This hot surface ignition kit delivers safe

featuring clear terminals and reliable seals

Trusted Allanson build quality and compatibility

Designed for replacement and new installations