Model MK81A Description
Model MK81A is a special freeze-proof valve that drains
water from Model 8300FP combination shower/eyewash after closing to
prevent freezing. 1-1/4" MIPS inlet.
- Standard sizes are 60" and 78"
(152.4 and 198.1 cm) for bury depths of 24" and 42" (61 and 106.7 cm)
Servicing Instructions: For replacement of damaged
parts, order the VRKMK81A repair kit which includes packing, stuffing
box, stuffing box nut, spring and plunger assembly with four O-rings.
Buy America Act Information
The vast majority of Haws products qualify under the terms of
the act. However, since different purchases often require subtly
different responses, Haws recommends that the specific document
requesting certification be sent to customer service for a specific