While cleaning a dirty flame sensor with a fine abrasive can temporarily restore the signal

The well is engineered for use with all standard hydronic controls utilizing a 3-1/2" x 3/8" sensing bulb

Zero Moving Parts: Utilizes conductivity-based sensing to eliminate the mechanical failure points common with float-style switches

The Watts 0792037 is a 3/8-inch LF288A anti-siphon vacuum breaker designed specifically for non-potable continuous pressure applications where back-siphonage protection is critical

Sporlan 124317P Valve 321702-401 While cleaning a dirty flameThe Sporlan 124317P, model OVE 40 VX100, is a high capacity thermostatic expansion valve (TXV) engineered for large scale commercial refrigeration and HVAC systems. Built with a balanced port design, this valve ensures precise refrigerant flow control by neutralizing the effects of pressure drop variations across the port, making it ideal for units with widely fluctuating operating conditions. This specific OVE series valve features 1 1 8" x 1 3 8"