Weil McLain 510-300-013 Spill Switch the barbed fittings are specifically

the barbed fittings are specifically designed for 1/4" OD polytubing

With a resistive rating of 25A at 277V

For Bard HVAC safety and liability compliance

The 20-693 is primarily utilized in two-pipe pneumatic thermostats that require a 3/16" connection

Its non-positional mounting with a durable tab bracket allows for flexible installation in various control cabinet orientations

Weil McLain 510-300-013 Spill Switch the barbed fittings are specificallyThe 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