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This specific 70-21476-02 model is designed for clockwise (CW) rotation
Professional installation is required to verify manifold pressure and ensure proper flame impingement against the internal baffles
The 50-80°F temperature range is managed via a vertical-mount housing that includes an integrated thermometer and functional range stops
ensuring sensing accuracy over time
Lennox 12U98 Relay 321142-301 This specific 70-21476-02 model isThe Lennox 12U98 Relay is a professional grade 24Vac electronic time delay relay engineered specifically for critical timing sequences in residential and commercial HVACR systems. This genuine OEM replacement part (also identified as 103047 02) provides an essential 30 minute delay on break (DOB) function. This fixed interval ensures that the system components continue to operate for a set period after the control signal is removed, which is vital for
US$ 149.97
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US$ 149.97