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Technicians should verify that the 2
maintaining optimal HVAC system efficiency and safety
This OEM replacement pressure switch monitors the pressure of air and flue gases to ensure the combustion process remains within safe operating parameters
the O10-1473 features a wide-range adjustable differential
When diagnosing a loss of hot water or high amperage draw
Robertshaw 780-502 DSI Module 30067439-890 Technicians should verify that theThe Robertshaw 780 502 is a Universal Direct Spark Ignition (DSI) control module designed for single rod or dual rod sensing applications in natural and LP gas systems. This gas ignition control operates on 24V AC and provides a 4 second Trial For Ignition (TFI) with a single try lockout sequence. As a versatile non prepurge ignition module, it replaces hundreds of legacy Robertshaw and competitive models, including the DS845 and SP715 series. The
US$ 1287.50
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