Fenwal 35-665576-111 Ignition Module 321702-401 Can I shorten the capillary

Can I shorten the capillary tube if it is too long

Can the Resideo ZD20X24TZ be installed in any orientation

the FS7-4WL is designed for installation in both horizontal and vertical upward-flow piping

The board’s logic will typically terminate a defrost cycle within 30 seconds if the defrost thermostat (DFT) indicates the coil is already clear

By keeping the sump warm

Fenwal 35-665576-111 Ignition Module 321702-401 Can I shorten the capillaryThe Fenwal 35 665576 111 is a microprocessor based 120V HSI Control engineered for high reliability performance in residential furnaces, hydronic boilers, and commercial water heaters. This hot surface ignition module features a 20 second heat up time and a 4 second trial for ignition (TFI) period, ensuring precise sequencing for gas fired heating equipment. As an OEM grade replacement, it provides robust flame sensing using Detect A Flame technology,