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the Lennox 36N77 and 36N7701 are functionally and physically identical
the 240008989 reduces fuel waste and stabilizes heating cycles in natural gas or propane applications
With a thermopile-driven 750mV operating range
Common Questions: Is this compatible with older Barber Colman valve bodies
Is this switch compatible with non-Carrier equipment
Resideo L8148E1299 Aquastat Relay Els PW 17895 the Lennox 36N77 and 36N7701The Resideo L8148E1299 is a technical grade high limit Aquastat relay designed for immersion type hydronic systems. This 120Vac controller effectively combines system safety with operational switching, managing both the burner and circulator motors. Engineered with a vertical mount configuration, it provides a high limit operating range of 180F to 240F with a 15 degree fixed differential. This ensures consistent thermal cycling and reliable system
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