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measure resistance across the coil
Common Questions: Can I use a 440V capacitor if my original was 370V
Is this a manual or automatic reset device
Durable Construction: Heavy-gauge seamless brass resists corrosion and withstands the vibration common in industrial steam lines
the internal thermal fuse or windings have likely failed
Lennox 88K90 Pressure Switch Els PW 17895 measure resistance across the coilThe Lennox 88K90 Pressure Switch is a high precision, OEM furnace safety component factory calibrated for induction monitoring in residential and light commercial heating systems. This 0. 47" WC pressure switch utilizes a single pole single throw (SPST), normally open contact configuration, ensuring the combustion process only initiates when proper draft is established. Designed for universal compatibility with older systems, the 88K90 replaces part
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