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8. Disconnect all wires from internal safety devices and sensors. Take note to wire colors
for sensors as new panel will use same colors for sensor wires.
9. Control panel can now be slid right, lifted off screws, and removed from boiler.
10. Using a 1/2" wrench, remove and replace high and low gas pressure switches (Figure 4)
provided in kit. Be sure to apply gas thread sealant to new switches (Figure 5).
Instructions
NURO Conversion Instructions
MACH C1500-C2000H
Figure 4
Figure 5
1005101738
ENVI to NURO
Date: 12/19/2017
Revision A
Replace existing
high and low gas
pressure switches
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