For fast field installation

Streamlined Installation: Features a 1/4" barb for quick tube attachment and integrated mounting for standard furnace brackets

leak-free installation into existing discharge and liquid lines

Verified Performance: Genuine Nortek parts provide exact electrical and pneumatic specifications for high-efficiency gas furnaces

What causes the capillary to fail on these high-limit switches

Fenwal 35-705506-011G Ignition Module Freon For fast field installationThe Fenwal 35 705506 011G Ignition Module is a professional grade 120V direct spark ignition (DSI) control engineered for high performance gas fired heating systems, industrial burners, and commercial HVAC equipment. As a microprocessor based ignition control, this unit offers superior precision in timing sequences compared to legacy analog models. This specific module is the direct replacement for Fenwal 35 705506 011, providing a seamless retrofit