Weil McLain 510-300-013 Spill Switch When you're servicing Type Q

When you're servicing Type Q or BQ thermostatic expansion valves

When installing the 312200 gasket on a Model 21-27 bracket

while the 30 Amp Resistive rating applies to non-inductive loads like electric heat strips

ensuring minimal downtime during field service

Can I use a standard hardware store #10 screw instead

Weil McLain 510-300-013 Spill Switch When you're servicing Type QThe Weil McLain 510 300 013 Spill Switch is a critical safety component designed specifically for certain Weil McLain gas fired boilers, including the CG, CGA, EG, and PFG series. This premium safety limit is engineered to detect flue gas spillage caused by chimney blockages or improper venting. The unit features an integrated manual reset (M R) button, ensuring that your heating system cannot resume operation until a qualified technician investigates