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Ships within 48 hours · Estimated delivery Oct 13 - Oct 18
Key Benefits: Universal Compatibility: Fits most mid-to-large scale thermostats
A shorted contactor coil
so you must verify the full model number before installation
The all-steel case ensures durability in demanding mechanical rooms
Tekmar Controls 257 Control 326010-701 Key Benefits: Universal Compatibility: FitsThe Tekmar Controls 257 Control is a purpose built 24Vac domestic hot water two stage boiler control designed for high demand applications such as hotels, laundromats, and multi family residential complexes. This sophisticated microprocessor control provides high accuracy domestic hot water temperature regulation by effectively staging up to two on off boilers or a single two stage boiler. Utilizing an NTC thermistor 10k ohm sensor, the 257 maintains
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