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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Drop-in Replacement: Specifically designed to replace Armstrong 46K88 and R47429-001
ensuring seamless integration with existing pilot burner assemblies
Manual Override: Features an external push button to disengage the gear train for manual adjustment during commissioning or maintenance
Enhanced System Logic: Restores full functionality to specialized operational modes including auto-restart and dehumidification
Tekmar Controls 521 Thermostat 318172-701 Drop-in Replacement: Specifically designed toThe Tekmar 521 Programmable Thermostat is a versatile microprocessor based control designed for precise single stage heating, two stage heating with fan, or one stage heating one stage cooling applications. Engineered for 24V AC DC systems, this unit supports hydronic radiant floor heating, baseboard convection, and forced air systems. The 7 day programmable schedule allows for four distinct events per day, optimizing energy cycles without
US$ 79.99
US$ 11989.50