Does this include the rubber grommets or isolators

meaning it should be installed within a protective housing or used with a suitable plug to increase environmental protection

Can I use this in an air handler with 3 or 4 heat stages

and existing hardware is usually reused

Indeeco 201-S10-M10-B Controller 322027-701 Does this include the rubberThe Indeeco 201 S10 M10 B is a professional grade SCR master step controller engineered for precise modulation of electric heating loads. Designed to interface with solid state relays, this unit provides seamless proportional control by converting a DC control signal into timed pulses. It supports up to 10 steps, allowing for granular adjustment of HVAC duct heaters and industrial process heating systems. This controller is essential for maintaining