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Fail-Safe Design: The SPDT configuration allows for both control and alarm functions within a single device
this harness is the go-to solution for resolving "no-heat" calls caused by broken circuits or terminal corrosion in the flue venting sequence
While this part is optimized for Intermittent Ignition (PI) and SPL systems
Does this valve require a minimum pressure drop to open
What is the difference between K16BT-18 and K16BT-18H
Robertshaw 2374-498 Air Switch Fail-Safe Design: The SPDT configurationFor veteran technicians and contractors requiring a reliable pressure sensing solution, the Robertshaw 2374 498 Air Switch is a high performance, field adjustable air pressure switch designed for residential and light commercial HVAC applications. This SPDT air switch features an adjustable set point range of 1. 0" to 4. 0" WC, making it a versatile 1: 1 replacement for critical components in furnaces, electronic air cleaners, and humidifiers.
US$ 115.00
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US$ 101.00
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US$ 167.50