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36" Capillary with 1/4" Flare Nut
This allows for manual control or use in systems where pressure is managed elsewhere in the manifold
Common Questions Can I use this valve on an intermittent pilot (IPI) system
When the internal plenum temperature reaches the 160°F high-limit threshold
the 625040 manages the main gas valve (MV)
Resideo L8148E1299 Aquastat Relay THPU32HP7Y 36" Capillary with 1/4" FlareThe 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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