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This 2-way normally closed valve features 3/8" ODF sweat connections with extended solder ends
the 33ZCT55SPT mounts to a standard 2x4 NEMA junction box and requires only a single twisted shielded pair (TSP) for both temperature data and override signals
Complete Hardware: Comes with the necessary main burner orifices and conversion decals for professional documentation
This specific model is a dedicated 115V component
Trane RLY3031 Relay 319852-301 This 2-way normally closed valveThe Trane RLY3031 Relay is a professional grade time delay relay designed specifically for HVAC R control circuits. As an OEM Trane replacement part, this 24V component is critical for preventing compressor short cycling and managing sequence operations in residential and commercial condensing units. This relay introduces a precise 5 minute delay to protect high value system components from electrical stress and rapid cycling during power fluctuations
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