these units are identical in form

Providing 90 in-lb of torque

which is essential for maintaining actuator sensitivity and preventing fugitive emissions

How do I know if my spider needs replacement

Lochinvar & A.O. Smith 100277835 Kit THPU32HP7Y these units are identical inThe Lochinvar & A. O. Smith 100277835 Kit is a critical Venturi High Modulation assembly designed for precision air to fuel ratio control in high efficiency condensing boilers and water heaters. Engineered for natural gas systems, this 24 mm venturi ensures consistent performance across the full turndown range, or 5: 1 firing rate, by precisely mixing gas and air before delivery to the radial fire burner. This OEM replacement part is essential for