Precise Pressure Range: Calibrated for 3 to 6 psig (21 to 41 kPa) for exact pneumatic signal response

the compatible MKC-2 or OMKC-2 coil must be sourced separately for electrical actuation

Its battery-powered design (2 AAA batteries) ensures maximum compatibility across vintage and modern installations

Can the coil be replaced in the field

providing the precise torque needed to close the furnace pressure switch and initiate the ignition sequence without intermittent "Failed to Ignite" codes

Mueller W40123 2-5/8" Tee Els PW 17895 Precise Pressure Range: Calibrated forThe Mueller W40123 2 5 8" Tee is a high performance wrot copper fitting engineered for heavy duty HVACR piping systems and large scale potable water supply applications. This 2 5 8 x 2 5 8 x 2 5 8 CxCxC Tee features a precision machined solder joint design that ensures a consistent flow path and superior structural integrity under pressure. Manufactured in the USA, it meets rigorous ASME B16. 22 and NSF 61G standards, making it a reliable choice for