Is the dial plate and knob included with the FF4H model

inefficient combustion

Key Benefits High-grade copper construction with reinforced overlapping joints for durability in high-cycle mechanical float valve applications

are fully utilized during the swap

Built with a rugged cast iron body and a die-cast aluminum diaphragm case

Tekmar Controls 553 Thermostat 326058-756 Is the dial plate andThe Tekmar 553 Thermostat is a versatile 24V AC controls solution designed for advanced hydronic and forced air integration. Operating as a standalone unit or within TekmarNet 2 (tN2) and tN2 tN4 communication bus systems, this programmable touchscreen thermostat manages two stages of heating, one stage of cooling, and full fan control. Contractors utilize the 553 for its precise relative humidity control and auto cycling capabilities, ensuring