High Pressure Rating: Rated for up to 710 psig (49 bar)

suitable for various mechanical room conditions

It is highly recommended

specifically the M9108

Using a switch with an incorrect water column rating can bypass safety protocols or cause nuisance lockouts

Spence BF-3/4-KIT Valve 30067439-890 High Pressure Rating: Rated forThe Spence BF 3 4 KIT is a complete bends and fittings kit specifically designed for the 3 4 inch Spence Type E main valve. This essential hardware package facilitates the critical connection between the external pilot and the main regulator body, ensuring the hydraulic or pneumatic pilot signal is delivered without pressure loss. As a veteran technician knows, maintaining the integrity of these external sensing lines is paramount for the stable