Weil McLain 510-811-641 Valve 30067439-890 the 100208653 kit includes the

the 100208653 kit includes the necessary paddle assembly to ensure proper displacement and accurate flow sensing across compatible pipe diameters

extending the operational lifespan of your critical components

The Honeywell 23176CF Potentiometer is a field-replaceable 135-ohm assembly engineered for Honeywell L91B and L91D series Proportioning Pressuretrol½ Controllers

This unit utilizes a capacitive sensing element to ensure long-term stability and sub-range accuracy even in low-pressure applications

Weil McLain 510-811-641 Valve 30067439-890 the 100208653 kit includes theThe Weil McLain 510 811 641 Combination Gas Control Valve is a critical replacement component engineered for high efficiency hydronic heating systems. This 24V gas valve features a 3 4" x 1" NPT connection, specifically designed for thermopile only ignition systems where standing pilot reliability is paramount. Built for precision manifold pressure regulation, this Honeywell sourced gas valve ensures stable BTU input and consistent flame rectification