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a double-pole transformer is typically required to match the flame characteristics and electrode spacing
which are often used for fixed orifice applications
Common Questions & Technical Support Can this valve be used on systems smaller than 5 tons
Always verify your model and serial number to ensure correct footprint spacing
36" Capillary with 1/4" Flare Nut
Resideo L8148E1299 Aquastat Relay THPU32HP7Y a double-pole transformer is typicallyThe 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